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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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Sea
27°
Swim
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Sea
28°
Swim
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Sea
28°
Swim
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27°
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Sea
26°
Swim
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Sea
25°
Swim
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Sea
25°
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Sea
24°
Swim
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Sea
25°
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Sea
25°
Swim
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Sea
26°
Swim
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Sea
27°
Swim
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The best months to visit The Cook Islands are June, July, August, September, for the best beach weather, the most sunshine and optimal sunbathing and swimming conditions with the least chance of rain.
The weather is perfect for sunbathing in the months from October to June when the maximum temperature reaches above 26°C (72°F)
The sea is best for swimming between December and May when the sea temperature is above the average 26°C (79°F) which is very warm and ideal for relaxing and swimming for the whole day.
Yes, you can sunbathe in The Cook Islands all year round.
The weather is best for sunbathing in the months from October to June when the maximum temperature reaches above 26°C (72°F)
More info about the annual temperatures and sunshine.
Yes, you can swim in The Cook Islands all year round.
The warmest sea water temperatures in The Cook Islands are found in March when they peak at 28°C (82°F) and lowest in August when they dip to 24°C (76°F).
The sea temperature is above average for swimming between December and May when the sea temperature is above 26°C (79°F) which is very warm and ideal for relaxing and swimming for the whole day.
More info about the annual sea temperatures
The hottest month in The Cook Islands is February when the average maximum temperature is hot 29°C (85°F), average temperature is 27°C (80°F) and average minimum temperature is 24°C (76°F).
More info about the annual temperatures and sunshine.
The coolest month in The Cook Islands is August when the average maximum temperature is 25°C (77°F), average temperature is 22°C (72°F) and average minimum temperature is 20°C (68°F).
More info about the annual temperatures and sunshine
The driest month in The Cook Islands is June with 11.2cm (4.4inches) of rain and August has the fewest days of rain with 4.5 days with some rain, a quite rainy time to visit the beach.
More info about the annual rainfall
The coldest sea water temperatures in The Cook Islands are found in August when they dip to 24°C (76°F) which is warm and pleasant for relaxing and swimming for long periods.
More info about the annual sea temperatures.
The warmest sea water temperatures in The Cook Islands are found in March when they peak at 28°C (82°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 The Cook Islands is February with a dew point (an indicator of humidity) of 25°C (77°F) which is very uncomfortable and fairly oppressive 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 The Cook Islands is August with a dew point of 20°C (68°F) which is somewhat uncomfortable for most people in cities but fine on a beach.
More info about the annual humidity.
The most windy month in The Cook Islands is September when the average maximum windspeed is 26KM/H (16MPH) and the average wind speed is 15KM/H (9MPH).
More info about the annual wind conditions.
The hottest month in The Cook Islands is February when the average maximum temperature is 29°C (85°F), average temperature is 27°C (80°F) and average minimum temperature is 24°C (76°F).
The coolest month in The Cook Islands is August when the average maximum temperature is 25°C (25°F), average temperature is 22°C (72°F) and average minimum temperature is 20°C (68°F).
The longest days in The Cook Islands are in December, with an average of 13.4 hours of daylight per day. June has the shortest days with an average of 10.8 hours of daylight per day.
The sunniest days in The Cook Islands are in August which has the most hours of sunshine per day with an average of 7.8 hours of sunshine per day, making it sunny but overcast at times with many bright days.
January has the least sunshine with an average of 6.4 hours of sunshine per day, making it quite sunny but with occasional periods of cloudy and overcast skies.
The ultraviolet index is the highest in January when it reaches 15.7 and lowest in June when it reaches 6.
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 The Cook Islands are found in March when they peak at 28°C (82°F) and lowest in August when they dip to 24°C (76°F).
The sea is best for swimming between December and May when the temperature is above 26°C (79°F) which is very warm and ideal for relaxing and swimming for the whole day.
The wettest month in The Cook Islands is January with 23.1cm (9.1inches) of rain and March has the most days of rain with 18.1 days with some rain, a wet time to visit the beach.
The driest month in The Cook Islands is June with 11.2cm (4.4inches) of rain and August has the fewest days of rain with 4.5 days with some rain, a quite rainy time to visit the beach.
The most humid month in The Cook Islands is February with a dew point (an indicator of humidity) of 25°C (77°F) which is very uncomfortable and fairly oppressive unless you are on a beach. At night you would most likely require airconditioning.
The least humid month in The Cook Islands is August with a dew point of 20°C (68°F) which is somewhat uncomfortable for most people in cities but fine on a beach.
The most windy month in The Cook Islands is September when the average maximum windspeed is 26KM/H (16MPH) and the average wind speed is 15KM/H (9MPH).
The least windy month in The Cook Islands is April when the average maximum windspeed is 23KM/H (14MPH) and the average wind speed is 12KM/H (7MPH).
