UV Index
UV Index
Today's UV index in Biel/Bienne, Switzerland 
will be up to 7, 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: 2025-06-01
With Biel/Bienne's UV index reaching 7, 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 Biel/Bienne varies from low in winter to moderate or high in summer, peaking around June and July. It rarely reaches very high levels due to the city's moderate altitude and latitude. Seasonal weather in Biel/Bienne includes cold, snowy winters and warm, sometimes rainy summers. Spring and autumn are mild with occasional rain. The city experiences four distinct seasons with temperature swings typical for a temperate climate. Compared to other Swiss cities, Biel/Bienne has a slightly milder winter than higher alpine towns but cooler summers than southern Switzerland. Neighboring countries like France and Germany show similar seasonal patterns, though coastal areas tend to have milder winters.
See the UV index hour by hour for Biel/Bienne, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.