UV Index
UV Index
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Today's UV index in Bern, Switzerland 
will be up to 6.2, indicating a high level of sun exposure for the average person. Check the annual sun radiation in the city and our tips for today to make sure you're safe in the sun.
With Bern's UV index reaching 6.2, protect your skin from harm by staying in shade, wearing protective clothing, and applying SPF 30+ sunscreen every 2 hours between 10 a.m. and 4 p.m., when UV rays are strongest.
The UV index in Bern, Switzerland, can reach a high of 7 in summer months, suggesting a significant risk of harm from unprotected sun exposure. In winter, the index drops to around 1, indicating little to no risk.
Bern has four distinct seasons. Spring, from March to May, is generally mild and wet. Summers are warm and often reach temperatures in the mid-twenties Celsius. Autumn, from September to November, is cool and colorful. Winters are cold, snowy and last from December to February, with temperatures occasionally dropping below freezing.
Compared to its region and neighboring countries, Bern's climate is moderately continental. It's slightly colder and receives more precipitation than nearby cities in France and Germany. However, it's warmer and drier than many parts of the Swiss Alps, making it a popular destination for tourists seeking a mix of city life and outdoor activities.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Bern. It's designed to provide you with a better understanding of the yearly weather and sun exposure.