UV Index
UV Index
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Today's UV index in Luzern, Switzerland 
will be up to 1.4, 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 Luzern, reaching up to 1.4. 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 Lucerne, Switzerland typically ranges from 3 in winter to 7 in summer. A value of 3 indicates moderate UV radiation, while 7 suggests high exposure.
Lucerne experiences four distinct seasons. Spring arrives in March, summer in June, autumn in September, and winter in December, each lasting roughly three months. The city's weather varies greatly between these seasons, transitioning from mild, wet springs to hot, dry summers, colorful autumns, and snowy winters.
Lucerne's climate is relatively mild compared to its surrounding regions and neighboring countries. The city receives more rainfall than nearby regions in the Swiss Plateau and Alps but has slightly warmer winters and cooler summers, differing from the hotter, drier Mediterranean climate in Italy and the colder, wetter weather in Germany and France.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Luzern. It's designed to provide you with a better understanding of the yearly weather and sun exposure.