UV Index
UV Index
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Today's UV index in Saint John's, Antigua and Barbuda 
will be up to 10.3, indicating a very high 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.
With a UV index of 10.3 in Saint John's, it's crucial to safeguard your skin from harmful UV rays. Protect yourself by minimizing sun exposure, wearing protective clothing, and applying SPF 30+ sunscreen every 2 hours.
The UV index in Saint John's, Antigua and Barbuda is typically high due to its tropical location. On average, the UV index ranges from 7-12 during the peak sun hours, indicating a very high risk of sunburn.
Saint John's experiences two main seasons: the dry season from December to May and the wet season from June to November. The dry season is cooler and less humid, while the wet season is warmer and more humid, with regular rainfall.
Compared to its region and neighboring countries, Saint John's is warmer and receives more sunshine throughout the year due to its location near the equator. While other Caribbean islands may experience occasional cooler temperatures or hurricanes, Saint John's climate remains relatively stable and pleasant.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Saint John's. It's designed to provide you with a better understanding of the yearly weather and sun exposure.