George Town, Cayman Islands - Monthly weather averages including average high and low Temperature, Precipitation, Pressure, Wind Charts to assist you in planning your travel, holiday or an outdoor activity at George Town, Cayman Islands The shaded overlays indicate night and civil twilight. Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database . Within 50 miles is essentially flat (115 feet). The average rainfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. The earliest sunrise is at 5:46 AM on June 5, and the latest sunrise is 1 hour, 15 minutes later at 7:02 AM on January 18. To show variation within the months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day of the year. The maximum dew point (an indicator of humidity) in Grand Cayman in January is 23° which is very humid and quite uncomfortable for most unless you are on a beach. 17 to 27 °C. The day of the year with the warmest water is September 8, with an average temperature of 85°F. support@__remove_this_part__weatherspark.com. On February 25, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 82% of the time, and overcast or mostly cloudy 18% of the time. The best month to swim in the sea is in September when the average sea temperature is 30°C (86°F). Get the Cayman Islands weather forecast. The earliest sunset is at 5:45 PM on November 24, and the latest sunset is 1 hour, 22 minutes later at 7:07 PM on July 5. The horizontal axis is the day of the year, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day. Precip. Get the monthly weather forecast for George Town, George Town, Cayman Islands, including daily high/low, historical averages, to help you plan ahead. George Town experiences some seasonal variation in the perceived humidity. This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. The calmer time of year lasts for 7.0 months, from March 24 to October 23. At night you would most likely require a fan. The smallest chance of a wet day is 3% on April 11. The number of hours during which the Sun is visible (black line). Perturbations in the easterlies or tropical waves are the main summer systems affecting the Cayman Islands from late May through November. Our tourism temperature score is 0 for perceived temperatures below 50°F, rising linearly to 9 for 65°F, to 10 for 75°F, falling linearly to 9 for 80°F, and to 1 for 90°F or hotter. This section reports on the wide-area average surface temperature of that water. :( Is this the rainny season now? Maps are © Esri, with data from National Geographic, Esri, DeLorme, NAVTEQ, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, and iPC. The tourism score favors clear, rainless days with perceived temperatures between 65°F and 80°F. The average growing degree days accumulated over the course of the year, with 25th to 75th and 10th to 90th percentile bands. 68 to 78 °F. Rainfall 20 mm. High Temp: 90 °F. All Year January February March April May June July August September October November December. Seven Mile Beach on Grand Cayman is particularly well renowned. Cayman Islands weather overview Grand Cayman is the largest and most well known of these three low-lying Cayman Islands which lie due south of Cuba. The brightest day of the year is April 14, with an average of 7.1 kWh. Free 30 Day Long Range Weather Forecast for Grand Cayman, Cayman Islands ... Help; KY Grand Cayman FRI. Dec 4 66%. During the summer months the main impetus for the development of these systems are the tropical waves. The brighter period of the year lasts for 2.1 months, from March 8 to May 12, with an average daily incident shortwave energy per square meter above 6.5 kWh. Precipitation: 1.09". On June 14, the cloudiest day of the year, the sky is overcast or mostly cloudy 81% of the time, and clear, mostly clear, or partly cloudy 19% of the time. 7 in 17 cm. Request Climatology Data by using this form, Precipitation and temperature prediction and outlook. The shaded overlays indicate night and civil twilight. The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands. The percentage of time spent at various humidity comfort levels, categorized by dew point. What is there to do when it rains? Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands. Humidity: 77… Be prepared with the most accurate 10-day forecast for Cayman Brac, Cayman Brac, Cayman Islands with highs, lows, chance of precipitation from The Weather Channel and Weather.com Weather data is prone to errors, outages, and other defects. ENE 15 mph. The coolest month in Grand Cayman is January when the average maximum temperature is 28°, average temperature is 26° and average minimum temperature is 24°. These systems are the major producers of rainfall during the winter months although precipitation is not quite as long lasting or of the same amounts as with summertime systems. Dew Point: 75 °F. The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds. Based on the beach/pool score, the best time of year to visit George Town for hot-weather activities is from mid December to mid April. The station records are corrected for the elevation difference between the station and George Town according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations. This report illustrates the typical weather in George Town, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016. August is the hottest month in Grand Cayman with an average temperature of 29.5°C (85°F) and the coldest is January at 25°C (77°F) with the most daily sunshine hours at 11 in July. We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. Based on this score, the best time of year to visit George Town for hot-weather activities is from mid December to mid April, with a peak score in the last week of February. The solar day over the course of the year 2020. Humidity. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray. Grand Cayman, Cayman Islands: Annual Weather Averages. This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid. Our beach/pool temperature score is 0 for perceived temperatures below 65°F, rising linearly to 9 for 75°F, to 10 for 82°F, falling linearly to 9 for 90°F, and to 1 for 100°F or hotter. George Town, Cayman Islands Yearly Monthly Climate Weather Averages. Note: Actual official high and low records may vary slightly from our data, if they occured in-between our weather recording intervals... More about our weather records. Average. The chance of wet days in George Town varies significantly throughout the year. George Town is located near a large body of water (e.g., ocean, sea, or large lake). Humidity: 77%. The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands. Climate - Cayman Islands Average weather, temperature, rainfall, when to go, what to pack The climate of the Cayman Islands is tropical , hot and humid all year round, with a dry, relatively cool season from late November to mid-April, when the northeast trade winds blow, and a rainy, muggy season from late April to early November. The average hourly wind speed in George Town experiences significant seasonal variation over the course of the year. The least muggy day of the year is January 30, with muggy conditions 90% of the time. 73%. The average water temperature experiences some seasonal variation over the course of the year. Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory. Precipitation: 1.09". 73% (Extremely Humid) Shortwave radiation includes visible light and ultraviolet radiation. The stronger of these systems tend to bring a day or two of cloudiness, heavy showers and thundershowers during their passage and strong southeast winds after their passage. ... Treasure Island Resort, the Marriott Grand Cayman Beach Resort and the Britannia Villas Grand Cayman. The muggier period of the year lasts for 9.5 months, from March 13 to December 30, during which time the comfort level is muggy, oppressive, or miserable at least 92% of the time. During these months the systems move through the Cayman area roughly every four to five days but can all but disappear for a few weeks. The record high temperature is 34.7 �C (94.5 �F) and the record low temperature is 11.1 �C (52.0 �F). The darkest day of the year is September 21, with an average of 4.1 kWh. During the winter (November-April in blue) temperature averages 27.1�C (80.9 �F) with daily high temperatures averaging 29.0 �C (84.2 �F) and low temperatures 23.0 �C (73.5 �F). Weather.com brings you the most accurate monthly weather forecast for with average/record and high/low temperatures, precipitation and more. In this report, we use a base of 50°F and a cap of 86°F. The average daily incident shortwave solar energy experiences significant seasonal variation over the course of the year. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages. Passing clouds. 74°F 23°C. Grand Cayman Tourism Wind. For the purposes of this report, the geographical coordinates of George Town are 19.287 deg latitude, -81.374 deg longitude, and 10 ft elevation. Weather by CustomWeather, © 2020. A typical day would have you wake up to warm sunny mornings becoming hot by afternoon with a few afternoon thundershowers especially over western Grand Cayman. From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night. The temperature in George Town varies so little throughout the year that it is not entirely meaningful to discuss hot and cold seasons. Jan. 80°F 26°C. The clearer part of the year in George Town begins around November 12 and lasts for 6.0 months, ending around May 14. All Year Climate & Weather Averages in Grand Cayman. The thin dotted line is the corresponding average liquid-equivalent snowfall. To characterize how pleasant the weather is in George Town throughout the year, we compute two travel scores. The cloudier part of the year begins around May 14 and lasts for 6.0 months, ending around November 12. Low Temperature 21 °C 70 °F. 5 Moderate. For each hour between 8:00 AM and 9:00 PM of each day in the analysis period (1980 to 2016), independent scores are computed for perceived temperature, cloud cover, and total precipitation. The percentage of time spent in various temperature bands. The drier season lasts 5.9 months, from November 20 to May 18. Low Temp: 73 °F. 82 °F. A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. Forecast: 82 / 80 °F. We assume no responsibility for any decisions made on the basis of the content presented on this site. The figure below presents a compact representation of key lunar data for 2020. Lower dew points feel drier and higher dew points feel more humid. (Weather station: Cayo Largo Del Sur, Cayman Islands). Please note that the station records themselves may additionally have been back-filled using other nearby stations or the MERRA-2 reanalysis. George Town experiences extreme seasonal variation in monthly rainfall. Click on each chart for more information. The darker period of the year lasts for 6.8 months, from June 11 to January 5, with an average daily incident shortwave energy per square meter below 4.7 kWh. 79 °F. Wind: 8 mph ↑ from East. During the summer (May �October in red) temperature averages 29.1�C (84.4�F) with daily high temperatures averaging 31.6�C (88.8 �F) and low temperatures 25.2�C (77.4 �F). The average maximum relative humidity in Grand Cayman in January is typically 88.2%. Over the course of the year, the temperature typically varies from 74°F to 89°F and is rarely below 70°F or above 91°F . In George Town, the wet season is hot and mostly cloudy, the dry season is warm and mostly clear, and it is oppressive and windy year round. Our cloud cover score is 10 for fully clear skies, falling linearly to 9 for mostly clear skies, and to 1 for fully overcast skies. All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition , by Jean Meeus. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. 2 in 4 cm. Rainfall Days 6 days. 73°F 22°C. The length of the day in George Town varies over the course of the year. High. MERRA-2 Modern-Era Retrospective Analysis. During the winter (November-April in blue) temperature averages 27.1°C (80.9 °F) with daily high temperatures averaging 29.0 °C (84.2 °F) and low temperatures 23.0 °C (73.5 °F). Low. This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. See more current weather. Indoor Humidity. The Cayman Islands have a tropical marine climate, with a wet season of warm, rainy summers (mid-May through October) and a dry season of relatively mild winters (November to April). Based on weather reports collected during 1985–2015. Month. Wind: 10 mph. The chance of a wet day peaks at 40% on September 27. Grand Cayman. Average Weather in September in George Town Cayman Islands. Monthly Averages . The hottest month in Grand Cayman is August when the average maximum temperature is 32°, average temperature is 29° and average minimum temperature is 27°. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night. Based on this score, the best time of year to visit George Town for general outdoor tourist activities is from late December to mid March, with a peak score in the last week of January. Temperature chart displays the maximum, minimum and average temperature from 2008 on month by month basis. Be prepared with the most accurate 10-day forecast for West Bay, West Bay, Cayman Islands with highs, lows, chance of precipitation from The Weather Channel and Weather.com * Reported Nov 15 1:00 pm — Nov 30 1:00 pm, Grand Cayman. Recife, Brazil (3,689 miles away) is the far-away foreign place with temperatures most similar to George Town (view comparison). The time of year with warmer water lasts for 3.3 months, from July 14 to October 23, with an average temperature above 84°F. High Temp: 90 °F. The windiest day of the year is November 25, with an average hourly wind speed of 15.7 miles per hour. George Town, Cayman Islands - Travel and vacation weather averages, current conditions and forecasts. The daily average water temperature (purple line), with 25th to 75th and 10th to 90th percentile bands. The predominant average hourly wind direction in George Town is from the east throughout the year. Get the forecast for today, tonight & tomorrow's weather for George Town, George Town, Cayman Islands. The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions, excluding hours in which the mean wind speed is less than. Sunrise 6:43 AM. Dec. 81°F 27°C. Mean Temp: 81 °F. The stronger cold fronts tend to bring strong North to northwest winds and rough seas, especially along the Western and Northern Coasts of the Islands: Such fronts are locally called �Northwesters�. Average Weather in George Town Cayman Islands In George Town, the wet season is hot and mostly cloudy, the dry season is warm and mostly clear, and it is oppressive and windy year round. Boy am I disappointed before I even leave. Time zones for airports and weather stations are provided by AskGeo.com . We nevertheless include the chart below as an illustration of the distribution of temperatures experienced throughout the year. Annual Temperature for Grand Cayman. The calmest day of the year is September 10, with an average hourly wind speed of 10.7 miles per hour. Low Temp: 73 °F. 3 in 8 cm. Daylight saving time (DST) is not observed in George Town during 2020. Located in the northwest Caribbean at Northwest Caribbean, west of Jamaica the three Cayman Islands are in a unique position to be far enough north to be affected by cold front during the winter and still within the belt that is influenced by tropical waves and hurricanes during the summer. Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the George Town area. Feels Like: 82 °F. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader. Grand Cayman. The beach/pool score favors clear, rainless days with perceived temperatures between 75°F and 90°F. Our precipitation score, which is based on the three-hour precipitation centered on the hour in question, is 10 for no precipitation, falling linearly to 9 for trace precipitation, and to 0 for 0.04 inches of precipitation or more. The windier part of the year lasts for 5.0 months, from October 23 to March 24, with average wind speeds of more than 13.2 miles per hour. The average hourly temperature, color coded into bands. Location: Owen Roberts Airportgrand Cayman. In George Town, the average percentage of the sky covered by clouds experiences extreme seasonal variation over the course of the year. There is only a single weather station, Owen Roberts International Airport, in our network suitable to be used as a proxy for the historical temperature and dew point records of George Town. Grand Cayman 7 day weather forecast including weather warnings, temperature, rain, wind, visibility, humidity and UV 78%. The day of the year with the coolest water is February 21, with an average temperature of 80°F. Current and forecast weather conditions for Grand Cayman including seasonal information for travelers. 75°F 23°C. Showing: All Year January February March April May June July August September October November December. Access hourly, 10 day and 15 day forecasts along with up to the minute reports and videos from AccuWeather.com All Year Climate & Weather Averages in George Town. Based on this categorization, the most common form of precipitation throughout the year is rain alone, with a peak probability of 40% on September 27. The black line is the percentage chance that a given day is within the growing season. Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. In 2020, the shortest day is December 21, with 10 hours, 58 minutes of daylight; the longest day is June 20, with 13 hours, 18 minutes of daylight. The rainless period of the year lasts for 2.3 months, from February 18 to April 27. The topography within 2 miles of George Town is essentially flat, with a maximum elevation change of 56 feet and an average elevation above sea level of 13 feet. The time of year with cooler water lasts for 3.4 months, from December 31 to April 12, with an average temperature below 81°F. The figure below shows you a compact characterization of the entire year of hourly average temperatures. Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations. The most rain falls during the 31 days centered around October 13, with an average total accumulation of 4.2 inches. ... Cayman Islands Monthly Weather. The record high temperature is 34.7 °C (94.5 °F) and the record low temperature is 11.1 °C (52.0 °F). All other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis . Over the course of the year, the temperature typically varies from 74°F to 89°F and is rarely below 70°F or above 91°F. The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. 25 to 35 °C. Mild. Within 10 miles is also essentially flat (89 feet). Grand Cayman Weather March Averages, Cayman Islands. 29.94 "Hg. We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Temperatures in George Town are sufficiently warm year round that it is not entirely meaningful to discuss the growing season in these terms. The wetter season lasts 6.1 months, from May 18 to November 20, with a greater than 21% chance of a given day being a wet day. Yearly wind and weather averages for George Town Airport/Grand Cayman Statistics based on observations taken between 09/2006 - 10/2020 daily from 7am to 7pm local time. The percentage of days in which various types of precipitation are observed, excluding trace quantities: rain alone, snow alone, and mixed (both rain and snow fell in the same day). The rainy period of the year lasts for 9.7 months, from April 27 to February 18, with a sliding 31-day rainfall of at least 0.5 inches. 15 mph. Temperature 25.5 °C 78 °F. March. Weather Today Weather Hourly 14 Day Forecast Yesterday/Past Weather Climate (Averages) Currently: 75 °F. Night Sky. Answer 1 of 13: Leaving Thursday for our first time in Grand Cayman and the extended weather report is calling for rain every day! Sea Temperature 26.7 °C 80 °F. 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