UV Index
UV Index
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Today's UV index in Basseterre, Saint Kitts and Nevis 
will be up to 11.5, 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 11.5 in Basseterre 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 Basseterre, Saint Kitts and Nevis typically ranges from low to very high, with the highest levels occurring between April and August.
Basseterre experiences a tropical rainforest climate, with two distinct seasons: a dry season from December to April and a wet season from May to November. Temperatures remain consistently warm year-round, with daytime highs usually ranging from 28-32°C (82-90°F).
Compared to its region and neighboring countries, Basseterre has a similar climate to other Caribbean islands, such as Barbados, Antigua, and Guadeloupe. However, Saint Kitts and Nevis have slightly higher rainfall compared to some of their drier neighbors, like the ABC islands (Aruba, Bonaire, and Curaçao) in the southern Caribbean. But, they typically receive less rainfall compared to islands further north, such as Puerto Rico and the Dominican Republic.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Basseterre. It's designed to provide you with a better understanding of the yearly weather and sun exposure.