UV Index
UV Index
Today's UV index in Lucerne, Switzerland 
will be up to 6.2, indicating a high level of sun exposure for the average person. Check our tips for today to make sure you're safe in the sun.
Last checked: 2025-05-09
With Lucerne's UV index reaching 6.2, protect your skin from harm by staying in shade, wearing protective clothing, and applying SPF 30+ sunscreen every 2 hours, especially between 10 a.m. and 4 p.m. when UV rays are strongest.
The UV index in Lucerne generally ranges from low to moderate throughout the year, peaking during summer months, especially in June and July, when it can reach higher levels due to longer daylight hours and clearer skies. Lucerne experiences four distinct seasons: cold, snowy winters; mild, rainy springs; warm, mostly sunny summers; and cool, colorful autumns with increasing rainfall. Snow is common in winter but not heavy in the city itself. Compared to surrounding regions, Lucerne has a moderate climate influenced by nearby lakes and mountains, making it cooler than some lower-lying Swiss areas but milder than higher Alpine regions. It often has more stable weather than many neighboring countries like Italy or Germany, which have more varied climates.
See the UV index hour by hour for Lucerne, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.