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Sea
27°
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27°
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27°
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28°
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28°
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29°
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29°
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29°
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30°
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29°
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28°
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28°
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The annual average maximum daily temperature is 30.0°C (86.0°F) which is very hot and perfect for sunbathing on clear days. The annual average water temperature is typically 28.0°C (82.4°F) which is very warm and ideal for relaxing and swimming for the whole day. Annually there are on average 9.7 days of rain per month and 7.0 hours of sun per day.
The best months to visit Cayman Islands are January, February, March, December, for the best beach weather, the most sunshine and optimal sunbathing and swimming conditions with the least chance of rain.
The sea is best for swimming between May and October when the sea temperature is above the average 28°C (82°F) which is very warm and ideal for relaxing and swimming for the whole day.
Yes, you can sunbathe in Cayman Islands all year round.
The coolest month in Cayman Islands is January when the average maximum temperature is 28°C (82°F), average temperature is 26°C (79°F) and average minimum temperature is 24°C (74°F).
More info about the annual temperatures and sunshine.
Yes, you can swim in Cayman Islands all year round.
The warmest sea water temperatures in Cayman Islands are found in September when they peak at 30°C (85°F) and lowest in February when they dip to 27°C (80°F).
The sea is excellent for swimming all year round as the water temperature is very warm and ideal for relaxing and swimming for the whole day.
More info about the annual sea temperatures
The hottest month in Cayman Islands is August when the average maximum temperature is very hot and perfect for sunbathing on clear days 32°C (90°F), average temperature is 29°C (85°F) and average minimum temperature is 27°C (81°F).
More info about the annual temperatures and sunshine.
The coolest month in Cayman Islands is January when the average maximum temperature is 28°C (82°F), average temperature is 26°C (79°F) and average minimum temperature is 24°C (74°F).
More info about the annual temperatures and sunshine
The driest month in Cayman Islands is March with 2.3cm (0.9inches) of rain and February has the fewest days of rain with 5.2 days with some rain, a quite rainy time to visit the beach.
More info about the annual rainfall
The coldest sea water temperatures in Cayman Islands are found in February when they dip to 27°C (80°F) which is very warm and ideal for relaxing and swimming for the whole day.
More info about the annual sea temperatures.
The warmest sea water temperatures in Cayman Islands are found in September when they peak at 30°C (85°F) which is very warm and ideal for relaxing and swimming for the whole day.
More info about the annual sea temperatures.
The most humid month in Cayman Islands is August with a dew point (an indicator of humidity) of 27°C (80°F) which is extremely humid and uncomfortable unless you are on a beach. At night you would most likely require airconditioning.
More info about the annual humidity.
The least humid month in Cayman Islands is January with a dew point of 23°C (73°F) which is very humid and quite uncomfortable for most unless you are on a beach. At night you would most likely require a fan.
More info about the annual humidity.
The most windy month in Cayman Islands is November when the average maximum windspeed is 28KM/H (18MPH) and the average wind speed is 19KM/H (11MPH).
More info about the annual wind conditions.
The hottest month in Cayman Islands is August when the average maximum temperature is 32°C (90°F), average temperature is 29°C (85°F) and average minimum temperature is 27°C (81°F).
The coolest month in Cayman Islands is January when the average maximum temperature is 28°C (28°F), average temperature is 26°C (79°F) and average minimum temperature is 24°C (74°F).
The longest days in Cayman Islands are in June, with an average of 13.3 hours of daylight per day. December has the shortest days with an average of 11 hours of daylight per day.
The sunniest days in Cayman Islands are in February which has the most hours of sunshine per day. The sunshine percentage is 69% making it sunny but overcast at times. The hours of sunshine per day are 7.8hrs making the days quite long and bright.
October has the least sunshine. The sunshine percentage is 46% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.9 hours of sunshine per day.
The ultraviolet index is the highest in April when it reaches 13.4 and lowest in December when it reaches 7.2.
An ultraviolet index reading above 11 indicates an extreme risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 10 minutes. Take all precautions because unprotected skin and eyes can burn in minutes. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.
The warmest sea water temperatures in Cayman Islands are found in September when they peak at 30°C (85°F) and lowest in February when they dip to 27°C (80°F).
The sea is excellent for swimming all year round as the water temperature is very warm and ideal for relaxing and swimming for the whole day.
The wettest month in Cayman Islands is October with 23.1cm (9.1inches) of rain and the most days of rain with 15.3 days with some rain, a wet time to visit the beach.
The driest month in Cayman Islands is March with 2.3cm (0.9inches) of rain and February has the fewest days of rain with 5.2 days with some rain, a quite rainy time to visit the beach.
The most humid month in Cayman Islands is August with a dew point (an indicator of humidity) of 27°C (80°F) which is extremely humid and uncomfortable unless you are on a beach. At night you would most likely require airconditioning.
The least humid month in Cayman Islands is January with a dew point of 23°C (73°F) which is very humid and quite uncomfortable for most unless you are on a beach. At night you would most likely require a fan.
The most windy month in Cayman Islands is November when the average maximum windspeed is 28KM/H (18MPH) and the average wind speed is 19KM/H (11MPH).
The least windy month in Cayman Islands is September when the average maximum windspeed is 21KM/H (13MPH) and the average wind speed is 11KM/H (7MPH).
Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.
Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.
