UV Index
UV Index
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Today's UV index in Lucerne, Switzerland 
will be up to 3.3, indicating a moderate 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 a UV index reaching up to 3.3 in Lucerne, stay shaded during midday when the sun is strongest; wear protective clothing, a wide-brimmed hat, UV-blocking sunglasses; apply SPF 30+ sunscreen every 2 hours, even on cloudy days; and be cautious of heightened UV on bright surfaces.
In Lucerne, the UV index varies from low to high throughout the year, with an average annual UV index of 3.2. During summer, the UV index reaches its peak, while in winter it stays relatively low.
Lucerne experiences a humid continental climate with four distinct seasons. Winters are cool and snowy, springs are mild, summers are warm, and autumns are crisp. Temperatures range from -2°C in January to 23°C in July.
Compared to its surrounding region, Lucerne's weather is relatively mild. It has a more continental climate than the rest of Switzerland, which is influenced by the Alps. Neighboring countries, such as Germany and Austria, have similar weather patterns, but with slight variations.