Cayman Islands weather

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The weather guide for Cayman Islands shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by MeteoBlue. Find out more about our data sources.

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When is it hottest in the Cayman Islands?

The hottest time of year in George Town, Cayman Islands is normally July. Expect maximum daytime temperatures to reach 32°C with very high heat and humidity.

Does it ever rain in the Cayman Islands?

October is usually the wettest month in George Town, Cayman Islands with 234mm on average. In October there are normally 17 days with some rain.

When is it sunniest in the Cayman Islands?

The sunniest time of year in George Town, Cayman Islands is normally April with bright sunshine on average for 77% of daylight hours; that's 10 hours of sunshine per day.

When is the sea warmest in the Cayman Islands?

The sea is usually at its warmest in George Town, Cayman Islands in September when the water temperature reaches 30°C.

Metric (°C / mm)  |  Imperial (°F / inches)

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Compare Cayman Islands weather with the USA

Below the Cayman Islands weather chart shows average maximum daytime temperature for Cayman Islands (George Town) and the USA (Washington).

Maximum daytime temperature (°C)

Cayman Islands (George Town)
USA (Washington)
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Feb
Mar
Apr
May
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Jul
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Oct
Nov
Dec

Metric (°C / mm)  |  Imperial (°F / inches)

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Cayman Islands weather overview

Grand Cayman is the largest and most well known of these three low-lying Cayman Islands which lie due south of Cuba. Trade winds blow softly here making conditions particularly pleasant and balmy and even the rains are of the "liquid sunshine" variety with short, intense showers sandwiched between periods of brilliant sunshine.

The wettest months are May to November and, at this time, there is a chance of tropical storms or hurricanes hitting town. Temperatures are consistently hot all year but never excessive.

What to pack for Cayman Islands weather

Light cotton clothing at any time of the year with cover-ups for occasional chilly winter evenings is appropriate.

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