UV Index
UV Index
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Today's UV index in Biel/Bienne, Switzerland 
will be up to 1, indicating low risk of harm from the sun's UV rays for the average person. Check our tips for today to make sure you're safe in the sun.
Today, the UV index suggests low sun danger (0-2) in Biel/Bienne, reaching up to 1. Remember sunglasses and SPF 30+ on sunny days, and be cautious around reflective surfaces like sand, water, and snow for increased UV exposure.
Read more here about the climate and sun exposure in and around Biel/Bienne.
The UV index in Biel/Bienne, Switzerland, can vary throughout the year. During summer, it reaches high levels, with values often ranging between 7 and 10 (which is considered high to very high). This means that it is essential to take precautions to protect your skin from the sun's harmful rays, such as wearing sunscreen, a hat, and sunglasses.
Biel/Bienne experiences distinct weather seasons. In the spring (March to May), temperatures gradually rise from around 5 °C (41 °F) to 15 °C (59 °F). Summer months (June to August) are warm, with temperatures averaging between 17 °C (63 °F) and 25 °C (77 °F). Autumn (September to November) sees temperatures drop again, ranging from 13 °C (55 °F) to 5 °C (41 °F). Winter (December to February) is relatively cold, with temperatures often staying below freezing point, ranging between -2 °C (28 °F) and 3 °C (37 °F).
Compared to its region, Biel/Bienne has a similar weather pattern, with cold winters, warm summers, and moderate temperatures during spring and autumn. Due to its location in Switzerland and the influence of the Swiss Alps, the region experiences a fair amount of sunshine, but it is important to remember that sun exposure can still be harmful. Therefore, taking precautions to protect your skin is advised regardless of the area's sun exposure levels.
The chart above displays the Shortwave Radiation Sum (MJ/m²) for each day of the last year in Biel/Bienne. It's designed to provide you with a better understanding of the yearly weather and sun exposure.