Monthly weather forecast and climate
George Town, Cayman Islands

The scenic waterfront in George Town, Cayman Islands
The scenic waterfront in George Town, Cayman Islands

The best time to visit George Town

The best months for a swim in George Town, Cayman Islands, are January through April, with a perfect temperature - varying between 25°C (77°F) and 29°C (84.2°F), and scarce rainfall.

Weather in January

January, the same as December, is another warm winter month in George Town, Cayman Islands, with temperature in the range of an average low of 23°C (73.4°F) and an average high of 26°C (78.8°F). The perfect water temperature of 26.6°C (79.9°F) with 71mm (2.8") of accumulated rainfall and only 5 rainfall days, makes January a great period for swimming and other water activities. Weather in January »

Weather in February

The last month of the winter, February, is also a moderately hot month in George Town, Cayman Islands, with average temperature fluctuating between 26°C (78.8°F) and 22°C (71.6°F). The ideal sea water temperature of 26.5°C (79.7°F) and only 4 rainfall days, with 13mm (0.51") of accumulated rainfall, makes February the best time for swimming and other water activities. Weather in February »

Weather in March

The first month of the spring, March, is still a warm month in George Town, Cayman Islands, with average temperature varying between 27°C (80.6°F) and 23°C (73.4°F). An excellent water temperature of 26.7°C (80.1°F) and only 4 rainfall days, with 15mm (0.59") of accumulated rainfall, makes March a prime for swimming and other water activities. Weather in March »

Weather in April

April, the same as March, is another warm spring month in George Town, Cayman Islands, with temperature in the range of an average high of 28°C (82.4°F) and an average low of 25°C (77°F). An excellent water temperature of 27.6°C (81.7°F) and only 4 rainfall days, with 13mm (0.51") of accumulated rainfall, makes April a prime for swimming and other water activities. Weather in April »

Weather in May

The last month of the spring, May, is also a moderately hot month in George Town, Cayman Islands, with average temperature ranging between max 29°C (84.2°F) and min 26°C (78.8°F). In George Town, the average high-temperature is practically the same as in April - a still warm 29°C (84.2°F). Weather in May »

Weather in June

The first month of the summer, June, is a tropical month in George Town, Cayman Islands, with average temperature fluctuating between 30°C (86°F) and 27°C (80.6°F). The warmest months are June through September, with an average high-temperature of 30°C (86°F). Weather in June »

Weather in July

July, like June, is a hot summer month in George Town, Cayman Islands, with average temperature fluctuating between 30°C (86°F) and 27°C (80.6°F). The warmest months are June through September, with an average high-temperature of 30°C (86°F). Weather in July »

Weather in August

The last month of the summer, August, is another tropical month in George Town, Cayman Islands, with average temperature varying between 27°C (80.6°F) and 30°C (86°F). June through September, with an average high-temperature of 30°C (86°F), are the warmest months. Weather in August »

Weather in September

The first month of the autumn, September, is also a hot month in George Town, Cayman Islands, with average temperature fluctuating between 30°C (86°F) and 26°C (78.8°F). The warmest months are June through September, with an average high-temperature of 30°C (86°F). Weather in September »

Weather in October

October, the same as September, is another warm autumn month in George Town, Cayman Islands, with average temperature varying between 29°C (84.2°F) and 26°C (78.8°F). In George Town, the average high-temperature in October is relatively the same as in September - a moderately hot 29°C (84.2°F). Weather in October »

Weather in November

The last month of the autumn, November, is also a moderately hot month in George Town, Cayman Islands, with average temperature fluctuating between 25°C (77°F) and 28°C (82.4°F). In November, the average high-temperature is relatively the same as in October - a still warm 28°C (82.4°F). Weather in November »

Weather in December

The first month of the winter, December, is also a moderately hot month in George Town, Cayman Islands, with average temperature ranging between min 23°C (73.4°F) and max 27°C (80.6°F). In George Town, the average high-temperature is almost the same as in November - a still warm 27°C (80.6°F). Weather in December »
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FAQ

What are the coldest months in George Town?

January and February, with an average high-temperature of 26°C (78.8°F), are the coldest months in George Town, Cayman Islands.

How much does it rain in George Town?

Throughout the year, in George Town, there are 80 rainfall days, and 1282mm (50.47") of precipitation is accumulated.

What is the driest month in George Town?

Months with the least rainfall are February and April Rain falls for 4 days and accumulates 13mm (0.51") of rain.

What month is the sea coldest in George Town?

February is the month with the coldest seawater, with an average sea temperature of 26.5°C (79.7°F).

What are the months with the highest UV index in George Town?

March through August, with an average maximum UV index of 12, are months with the highest UV index.

What month has the most sunshine in George Town?

With an average of 10h of sunshine, April has the most sunshine of the year in George Town.

What is the warmest month in George Town?

June through September, with an average high-temperature of 30°C (86°F), are warmest months.

When are the longest days in George Town?

June has the longest days of the year, with an average of 13.3h of daylight.

When is the sea warmest in George Town?

Months with the warmest seawater are August and September, with an average sea temperature of 29.9°C (85.8°F).

What is the wettest month in George Town?

The month with the most rainfall in George Town is October when the rain falls for 10 days and typically aggregates up to 226mm (8.9") of precipitation.

What is the month with the least sunshine in George Town?

Months with the least sunshine are November and December, with an average of 7h of sunshine.

What is the month with the shortest days in George Town?

December has the shortest days of the year in George Town, with an average of 11h of daylight.

When is the lowest UV index in George Town?

The month with the lowest UV index in George Town is December, with an average maximum UV index of 7.

Average temperature
George Town, Cayman Islands

Average temperature - George Town, Cayman Islands

The warmest months (with the highest average high temperature) are June, July, August and September (30°C).
Months with the lowest average high temperature are January and February (26°C).

Months with the highest average low temperature are June, July and August (27°C).
The coldest month (with the lowest average low temperature) is February (22°C).

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Average rainfall
George Town, Cayman Islands

Average rainfall - George Town, Cayman Islands

The wettest month (with the highest rainfall) is October (226mm).
The driest months (with the least rainfall) are February and April (13mm).

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Average rainfall days
George Town, Cayman Islands

Average rainfall days - George Town, Cayman Islands

The month with the highest number of rainy days is October (10 days).
Months with the least rainy days are February, March and April (4 days).

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Average sea temperature
George Town, Cayman Islands

Average sea temperature - George Town, Cayman Islands

The best months for swimming (with the highest average sea temperature) are August and September (29.9°C).
The coldest month (with the lowest average sea temperature) is February (26.5°C).

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Average daylight / Average sunshine
George Town, Cayman Islands

Average daylight / Average sunshine - George Town, Cayman Islands

The month with the longest days is June (Average daylight: 13.3h).
The month with the shortest days is December (Average daylight: 11h).

The month with the most sunshine is April (Average sunshine: 10h).
Months with the least sunshine are November and December (Average sunshine: 7).

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Average UV index
George Town, Cayman Islands

Average UV index - George Town, Cayman Islands

Months with the highest UV index are March, April, May, June, July and August (UV index 12).
The month with the lowest UV index is December (UV index 7).

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