UV Index
UV Index
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Today's UV index in Winterthur, Switzerland 
will be up to 0.8, indicating a low 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.
Today, the UV index suggests low sun danger (0-2) in Winterthur, reaching up to 0.8. Remember sunglasses and SPF 30+ on sunny days, and be cautious around reflective surfaces like sand, water, and snow for increased UV exposure.
The UV index in Winterthur, Switzerland, remains low during the winter months, typically ranging from 0-2, and increases to 4-6 during the summer.
Winterthur experiences four distinct seasons: a chilly winter with occasional snow, a mild spring with occasional rain, a warm and sunny summer, and a cool and colorful autumn.
Winterthur's climate is moderate compared to its region and neighboring countries, with milder winters and cooler summers than southern European cities. However, it still experiences more rainfall than many neighboring countries in central Europe.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Winterthur. It's designed to provide you with a better understanding of the yearly weather and sun exposure.