UV Index
UV Index
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Today's UV index in São Tomé, São Tomé and Príncipe 
will be up to 8.8, 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 8.8 in São Tomé, 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 São Tomé, São Tomé and Príncipe, typically ranges from low to high, with values rarely exceeding 11. It's always a good idea to check the local UV forecast before any outdoor activities.
São Tomé has two main seasons: the dry season from June to September and the wet season the rest of the year. The wet season is characterized by heavy rainfall and high humidity, while the dry season is more mild and comfortable.
Compared to its region and neighboring countries, São Tomé has a relatively mild and uniform climate. Unlike nearby equatorial countries, such as Gabon or Congo, São Tomé's temperatures don't vary dramatically, with average highs usually in the mid-80s°F (around 30°C) and lows in the mid-70s°F (around 23°C).
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in São Tomé. It's designed to provide you with a better understanding of the yearly weather and sun exposure.