UV Index
UV Index
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Today's UV index in Winterthur, Switzerland 
will be up to 1.1, 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 Winterthur, reaching up to 1.1. 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 Winterthur.
With an average UV index of 3 in Winterthur, Switzerland, it is important to protect your skin when spending time outdoors. This moderate level of UV radiation means that sunblock is still necessary, especially during midday hours when the sun is at its strongest. Don't forget to wear a hat and sunglasses to shield yourself from harmful rays.
Winterthur experiences four distinct seasons – spring, summer, autumn, and winter. Springtime temperatures range from 6 °C (43 °F) to 17 °C (63 °F), with occasional rainfall. In summer, temperatures reach an average high of 24 °C (75 °F) but can go as high as 30 °C (86 °F). Autumn brings cooler temperatures ranging from 7 °C (45 °F) to 17 °C (63 °F), combined with colorful foliage. Winters in Winterthur are cold, with temperatures ranging from -2 °C (28 °F) to 5 °C (41 °F), often accompanied by snowfall.
Situated in the Zurich region, Winterthur enjoys a similar climate to its surroundings. However, compared to the urban areas nearby, Winterthur benefits from less overall sun exposure due to its location in a valley. While Zurich receives approximately 1,495 hours of sunshine per year, Winterthur receives slightly fewer hours, averaging around 1,420 hours. Nevertheless, both cities experience comparable weather patterns and enjoy the beauty of the Swiss landscape throughout the changing seasons.
The chart above displays the Shortwave Radiation Sum (MJ/m²) for each day of the last year in Winterthur. It's designed to provide you with a better understanding of the yearly weather and sun exposure.