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Cayman Islands climate: when to go to the Cayman Islands

The Cayman Islands have a pleasant and mild maritime tropical climate, which is divided into two distinct seasons, a hot and humid season from May to October, with average temperatures of 28°C, and a cooler and dry season which runs from November to April, with average maximum temperatures of 25°C/26°C and average minimum of 20°C/22°C.

The average annual rainfall is 1,400 mm, the hot and humid season, between May and October, it is also one where hurricanes can occur. The rainiest months are those of October, June and September, while the driest months are those from December to April. On the islands there are on average only 80 days of rain per year, the month of October, which is the wettest has an average of 10 rainy days per month, while the dry months between February and April have only 4 days of rain per month.

The temperature of the seawater in the Cayman Islands never falls below 24 ° C in February and March, but from June to October, the sea water temperature is 28 ° C.


The best months to visit the Cayman Islands are the driest between November and April.


GRAND CAYMAN (3 metres)
Month Average low (°C) Average high (°C) Precip. (mm) Precip. days
January 22,3 28,2 51,8
February 22,4 28,6 38,1
March 22,7 29,1 33,5
April 23,7 29,9 32,3
May 24,7 30,7 151,4
June 25,5 31,6 157,5
July 25,7 32,2 146,8
August 25,6 32,2 149,9
September 25,3 31,7 222,0
October 24,7 31,0 219,7
November 24,1 29,6 153,7
December 23,2 28,6 70,9
YEAR 24,2 30,3 1427,5

Month Sea Water Temperature °C
January 25
February 24
March 24
April 26
May 27
June 28
July 28
August 28
September 28
October 28
November 27
December 27

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