UV Index
UV Index
Today's UV index in Teresina, Brazil 
will be up to 9.8, indicating a very high level of sun exposure for the average person. Check our tips for today to make sure you're safe in the sun.
Last checked: 2025-07-16
With a UV index of 9.8 in Teresina, 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.
Teresina has a high UV index throughout the year, often reaching very strong levels, especially from September to April, requiring careful sun exposure management.
The city experiences a tropical climate with a wet season from January to May and a dry season from June to December, featuring hot temperatures year-round with peaks in March and April.
Compared to other parts of Brazil, Teresina is hotter and drier than coastal cities like Rio de Janeiro but wetter than the semi-arid regions to the west. Neighboring countries like Bolivia have cooler highland areas unlike Teresina's lowland heat.
See the UV index hour by hour for Teresina, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.