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Today's UV index in San José, Costa Rica will be up to 10, 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 in San José, 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 San José, Costa Rica, typically ranges from low to very high throughout the year, with levels peaking from December to April.
San José has two main seasons: the dry season, which runs from December to April, and the wet season, which lasts from May to November. However, rainfall can still occur during the dry season, and occasional showers can happen in the wet season.
Compared to its region and neighboring countries, San José generally experiences milder temperatures and more rainfall. While much of Central America can be extremely hot and dry, San José's elevation provides a more temperate climate, with average temperatures ranging from 60°F to 80°F (15°C to 27°C) year-round.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in San José. It's designed to provide you with a better understanding of the yearly weather and sun exposure.