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Climate - Cayman Islands


Average weather, temperature, rainfall, sunshine

Flag - Cayman Islands

Map - Cayman Islands

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Cayman Islands - The climate in short



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 three Cayman Islands (Grand Cayman, Little Cayman and Cayman Brac) are located in the Caribbean Sea, south of Cuba, and belong to the British crown.
In winter, temperatures in the Caymans are lower than in summer, but they are still high enough for swimming and sun bathing. However, from December to March, the islands can sometimes be affected by a cool winds from the United State, which can lower the night temperature to around 15 °C (59 °F).
During the rainy season, the maximum temperature is around 32 degrees Celsius (90 °F), and moisture makes the heat sweltering, although sea breezes give some relief.

The climate in detail


  • George Town
  • Sea temperature
  • Hurricanes
  • When to go
  • What to pack

George Town


George Town, where is located
George Town, where is located
Climate chart - George Town
Climate chart - George Town

Here are the average temperatures in George Town, the capital.
George Town - Average temperatures (1991-2020)
MonthMin (°C)Max (°C)Mean (°C)Min (°F)Max (°F)Mean (°F)
January22.628.725.6738478.2
February22.72925.8738478.5
March22.829.426.1738579
April24.130.527.3758781.1
May24.931.228778882.5
June25.731.928.8788983.9
July25.732.429.1789084.3
August25.832.529.1789084.4
September25.632.228.9789083.9
October2531.528.2778982.8
November24.330.127.2768680.9
December23.429.326.4748579.4
Year24.430.727.575.987.381.5

Precipitation amounts to about 1,400 millimeters (55 inches) per year, and the rainiest months are September and October. Here is the average precipitation.
George Town - Average precipitation
MonthMillimetersInchesDays
January5027
February401.66
March351.46
April301.24
May1505.910
June1606.312
July1455.712
August1505.914
September2208.716
October2208.715
November1556.112
December702.89
Year142556.1123

Rainfall mainly occurs in the form of showers and thunderstorms in the evening, which is typical of many countries having a tropical climate, so there is a fairly good amount of sunshine even in the rainy period, as can be seen in the following table.
George Town - Sunshine hours
MonthAverageTotal
January8250
February8225
March9280
April10300
May9280
June8240
July9280
August8250
September8240
October8250
November7210
December7215
Year8.33015

Grand Cayman

Sea temperature



The sea is warm all year round, not going below 26.5 °C (79.5 °F), as we can see in the following table.
George Town - Sea temperature
MonthCelsius (°C)Fahrenheit (°F)
January2781
February26.580
March26.580
April27.581
May2883
June28.584
July2984
August29.585
September29.585
October29.585
November28.583
December27.582
Year28.282.8

Hurricanes



Every now and then, the islands can be hit by hurricanes, the tropical cyclones of the Caribbean and the Atlantic. The hurricane season runs from June to November, but the period when they are most likely runs from August to October.
The archipelago was hit hard by the «Jamaica Hurricane» in August 1903, by the «Cuba Hurricane» in November 1932, by Hurricane Ivan in September 2004, and by Hurricane Paloma in November 2008.

When to go



The best time to visit the Caymans runs from late November to mid-April, since it's the least hot and the least rainy period of the year.
On the contrary, the summer is hot and muggy, and heavy showers and thunderstorms are possible, as well as hurricanes, which are more dangerous but fortunately rare.

What to pack in the suitcase



From November to April: bring light clothes, and a sweatshirt for the evening.
From May to October, bring tropics-friendly, lightweight clothing, and possibly a light sweatshirt and a light raincoat for thunderstorms.

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