UV Index
UV Index
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Today's UV index in George Town, Cayman Islands 
will be up to 12.4, indicating a extreme level of sun exposure for the average person. Check the annual sun radiation in the city and our tips for today to make sure you're safe in the sun.
UV index at 12.4 in George Town means extreme risk; limit outdoor time from 10 a.m. to 4 p.m., use shade, protective clothing, SPF 30+ sunscreen, and sunglasses; watch for bright surfaces like water and snow increasing UV exposure.
The UV index in George Town, Cayman Islands is consistently high, making sun protection crucial. This is due to its tropical climate and proximity to the equator.
George Town experiences two main seasons: a dry season from November to April and a wet season from May to October. However, rain can occur at any time of the year. The temperature remains warm year-round, with average highs in the 80s (around 30°C) and lows in the 70s (around 20-25°C).
Compared to its region and neighboring countries, George Town's weather is quite consistent. While other Caribbean islands may experience more extreme weather patterns such as hurricanes and tropical storms, the Cayman Islands are somewhat shielded by their central location. The climate in George Town is generally drier and less variable than in other parts of the Caribbean.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in George Town. It's designed to provide you with a better understanding of the yearly weather and sun exposure.