Climate and monthly weather forecast
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 a moderately hot winter month in George Town, Cayman Islands, with an average temperature fluctuating between 23°C (73.4°F) and 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 another warm month in George Town, Cayman Islands, with an average temperature ranging between max 26°C (78.8°F) and min 22°C (71.6°F). An excellent water temperature of 26.5°C (79.7°F) and only 4 rainfall days, with 13mm (0.51") of accumulated rainfall, makes February a prime for swimming and other water activities. Weather in February »

Weather in March

The first month of the spring, March, is also a moderately hot month in George Town, Cayman Islands, with temperature in the range of an average high of 27°C (80.6°F) and an average low of 23°C (73.4°F). The ideal sea water temperature of 26.7°C (80.1°F) and only 4 rainfall days, with 15mm (0.59") of accumulated rainfall, makes March the best time 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 an average temperature fluctuating between 28°C (82.4°F) and 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 another warm month in George Town, Cayman Islands, with temperature in the range of an average low of 26°C (78.8°F) and an average high of 29°C (84.2°F). In George Town, Cayman Islands, the average high-temperature in May is essentially 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 an average temperature ranging between max 30°C (86°F) and min 27°C (80.6°F). The warmest months are June through September, with an average high-temperature of 30°C (86°F). In George Town, during June, the rain falls for 7 days and regularly aggregates up to 137mm (5.39") of precipitation. Weather in June »

Weather in July

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

Weather in August

The last month of the summer, August, is another tropical month in George Town, Cayman Islands, with an average temperature varying between 27°C (80.6°F) and 30°C (86°F). The warmest months are June through September, with an average high-temperature of 30°C (86°F). In August, in George Town, the rain falls for 8 days. Weather in August »

Weather in September

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

Weather in November

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

Weather in December

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

What is the coldest month in George Town?

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

How much does it rain in George Town?

In George Town, during the entire year, the rain falls for 80 days and collects up to 1282mm (50.47") of precipitation.

What is the driest month in George Town?

February and April are months with the least rain when the rain falls for 4 days and typically aggregates up to 13mm (0.51") of rain.

When is the sea coldest in George Town?

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

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

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

What month has the most sunshine in George Town?

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

What are the warmest months in George Town?

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

When are the longest days in George Town?

June has the longest days of the year, with an average of 13h and 17min of daylight.

When is the sea warmest in George Town?

August and September, with an average sea temperature of 29.9°C (85.8°F), are months with the warmest seawater in George Town, Cayman Islands.

What is the rainiest month in George Town?

October is the month with the most rainfall in George Town, Cayman Islands. Rain falls for 10 days and accumulates 226mm (8.9") of precipitation.

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

The months with the least sunshine in George Town 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 10h and 59min of daylight.

Is there Daylight Saving Time (DST) in George Town?

George Town, Cayman Islands, does not observe Daylight Saving Time (DST). EST timezone is used over the entire year.

When is the lowest UV index in George Town?

December is the month with the lowest UV index, 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).
The months with the lowest average high temperature are January and February (26°C).

The 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).
The 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: 13h and 17min).
The month with the shortest days is December (Average daylight: 10h and 59min).

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

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Average UV index
George Town, Cayman Islands

Average UV index - George Town, Cayman Islands

The 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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