UV Index
UV Index
Today's UV index in Basel, Switzerland 
will be up to 6, 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: 2025-05-10
With Basel's UV index reaching 6, 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 Basel typically ranges from low to moderate levels, rising highest in the summer months around June and July, often reaching values between 6 and 8 on sunny days.
Basel experiences four distinct seasons with cold, often cloudy winters and warm, sometimes humid summers. Spring and autumn are mild with moderate rainfall, making the weather in these seasons quite changeable and variable.
Compared to other parts of Switzerland, Basel generally has milder winters and warmer summers due to its lower elevation. Its climate is more temperate than the higher mountainous regions, yet it is slightly cooler and wetter than neighboring countries like France and Germany.
See the UV index hour by hour for Basel, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.