George Town
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Average monthly water temperature in George Town, Cayman Islands

On this page you find the mean water temperature over the year in George Town (Grand Cayman), Cayman Islands. Take a closer look at the water temperature patterns and what they mean for swimming and recreation.


In George Town, water remains inviting throughout the year. The warmest month is August, with an average water temperature of 30°C (86°F).

The coolest temperature, January, still averages a pleasant 27°C (81°F). This means you will have a consistently enjoyable environment for water activities and recreation.

George Town Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in George Town - and find the best time to visit.

George Town 3-Day Forecast

More climate data for George Town

Popular in September

Where to go in September - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.