UV Index
UV Index
Today's UV index in Stresa, Italy 
will be up to 7.8, 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: 2025-07-12
With Stresa's UV index reaching 7.8, 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.
The UV index in Stresa varies throughout the year, typically reaching higher levels around summer, often between 6 and 8, indicating strong sunlight. During winter, UV levels drop significantly, often below 2.
Stresa experiences warm summers with average temperatures around 25°C (77°F) and cold winters with temperatures often near freezing. Rainfall is fairly steady year-round, but spring and autumn tend to be rainier. The area enjoys many sunny days in summer.
Compared to other parts of northern Italy, Stresa has a milder climate thanks to its location near Lake Maggiore. It is generally warmer and less rainy than nearby mountainous regions. Neighboring countries like Switzerland have colder, snowier winters due to higher altitudes.
See the UV index hour by hour for Stresa, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.