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Best
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Best
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Best
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Best
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Tan
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Tan
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Tan
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Tan
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Tan
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Tan
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Tan
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Tan
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Sea
27°
Swim
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Sea
27°
Swim
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Sea
27°
Swim
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Sea
28°
Swim
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28°
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Sea
29°
Swim
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Sea
29°
Swim
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Sea
29°
Swim
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Sea
30°
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Sea
29°
Swim
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Sea
28°
Swim
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Sea
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 Grand Cayman 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 Grand Cayman all year round.
The coolest month in Grand Cayman 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 Grand Cayman all year round.
The warmest sea water temperatures in Grand Cayman 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 Grand Cayman 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 Grand Cayman 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 Grand Cayman 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 Grand Cayman 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 Grand Cayman 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 Grand Cayman 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 Grand Cayman 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 Grand Cayman 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 Grand Cayman 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 Grand Cayman 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 Grand Cayman 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 Grand Cayman 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 wettest month in Grand Cayman 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 Grand Cayman 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 Grand Cayman 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 Grand Cayman 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.
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.
