Monthly weather forecast and climate
West Bay, Cayman Islands

The best time to visit West Bay

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

Weather in January

An excellent water temperature of 26.6°C (79.9°F) makes January in West Bay, Cayman Islands, a prime for swimming and other water activities. January and February, with an average sea temperature of 26.6°C (79.9°F), are months with the coldest seawater. Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable. Weather in January »

Weather in February

An excellent water temperature of 26.6°C (79.9°F) makes February in West Bay, Cayman Islands, a prime for swimming and other water activities. January and February, with an average sea temperature of 26.6°C (79.9°F), are months with the coldest seawater. Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable. Weather in February »

Weather in March

An excellent water temperature of 26.8°C (80.2°F) makes March in West Bay, Cayman Islands, a prime for swimming and other water activities. In West Bay, the average seawater temperature is 26.8°C (80.2°F). Note: Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. Weather in March »

Weather in April

The ideal sea water temperature of 27.7°C (81.9°F) makes April in West Bay, Cayman Islands, the best time for swimming and other water activities. In West Bay, the average seawater temperature in April is 27.7°C (81.9°F). Note: Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. Weather in April »

Weather in May

The ideal sea water temperature of 28.3°C (82.9°F) makes May in West Bay, Cayman Islands, the best time for swimming and other water activities. In May, the average sea temperature is 28.3°C (82.9°F). Note: Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. Weather in May »

Weather in June

An excellent water temperature of 28.8°C (83.8°F) makes June in West Bay, Cayman Islands, a prime for swimming and other water activities. In West Bay, the average seawater temperature in June is 28.8°C (83.8°F). Note: Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. Weather in June »

Weather in July

The perfect water temperature of 29.3°C (84.7°F) makes July a great period for swimming and other water activities in West Bay, Cayman Islands. In July, the average sea temperature is 29.3°C (84.7°F). Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable. Weather in July »

Weather in August

The perfect water temperature of 29.9°C (85.8°F) makes August a great period for swimming and other water activities in West Bay, Cayman Islands. August and September, with an average sea temperature of 29.9°C (85.8°F), are months with the warmest seawater. Note: For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods. Weather in August »

Weather in September

An excellent water temperature of 29.9°C (85.8°F) makes September in West Bay, Cayman Islands, a prime for swimming and other water activities. August and September, with an average sea temperature of 29.9°C (85.8°F), are months with the warmest seawater. Note: For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods. Weather in September »

Weather in October

An excellent water temperature of 29.3°C (84.7°F) makes October in West Bay, Cayman Islands, a prime for swimming and other water activities. In West Bay, the average seawater temperature is 29.3°C (84.7°F). Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable. Weather in October »

Weather in November

An excellent water temperature of 28.6°C (83.5°F) makes November in West Bay, Cayman Islands, a prime for swimming and other water activities. In West Bay, the average seawater temperature is 28.6°C (83.5°F). Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable. Weather in November »

Weather in December

An excellent water temperature of 27.9°C (82.2°F) makes December in West Bay, Cayman Islands, a prime for swimming and other water activities. In West Bay, the average seawater temperature is 27.9°C (82.2°F). Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable. Weather in December »
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FAQ

What months are the sea coldest in West Bay?

Months with the coldest seawater in West Bay are January and February, with an average sea temperature of 26.6°C (79.9°F).

When are the longest days in West Bay?

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

What months are the sea warmest in West Bay?

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

What is the month with the shortest days in West Bay?

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

Average sea temperature
West Bay, Cayman Islands

Average sea temperature - West Bay, Cayman Islands

The best months for swimming (with the highest average sea temperature) are August and September (29.9°C).
The coldest months (with the lowest average sea temperature) are January and February (26.6°C).

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Average daylight
West Bay, Cayman Islands

Average daylight - West Bay, 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).

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