UV Index
UV Index
Today's UV index in Lisbon, Portugal 
will be up to 7.5, indicating a 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: 2025-05-09
With Lisbon's UV index reaching 7.5, protect your skin from harm by staying in shade, wearing protective clothing, and applying SPF 30+ sunscreen every 2 hours, especially between 10 a.m. and 4 p.m. when UV rays are strongest.
Lisbon's UV index is generally high, especially in summer, often reaching levels between 7 and 10. This means the sun's rays are strong and can cause sunburn quickly during midday. In winter, the UV index drops to lower values, usually between 1 and 3.
Lisbon has hot, dry summers with temperatures often above 30°C (86°F), and mild, rainy winters where temperatures rarely fall below 8°C (46°F). Spring and autumn are pleasant, with moderate temperatures and less rain. The city enjoys plenty of sunshine most of the year.
Compared to other places in Portugal, Lisbon is warmer and sunnier than northern cities like Porto. It is also sunnier and drier than many parts of Spain to the east, especially in winter, because Lisbon is closer to the Atlantic Ocean which moderates its climate.
See the UV index hour by hour for Lisbon, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.