UV Index
Luzern UV Index Today
- Current UV Index0.0
- Cloud Cover00%
- Temperature00.0 ℃
Day Summary
- Max UV Index5.3
- Avg Clouds93%
- Max Temp18.2 ℃
- Peak UV at 1 PM
- Protection Required ☀️
The UV index in Luzern, Switzerland 
will reach a high of 5.3 today. This means a moderate level of sun exposure. See our tips below to stay safe!
Last checked: 2025-09-16
Hourly Forecast Chart
Today's Safety Tips
The sun is a bit strong. Find some shade during midday. Wear a hat, sunglasses, and use SPF 30+ sunscreen if you'll be outside for a while.
Luzern's UV Index
Luzern's UV index ranges from low in winter to moderate or high during summer months, peaking around midday in June and July. Seasonal changes affect UV exposure significantly. The city experiences four distinct seasons with moderate rainfall. Winters are cold with some snowfall, springs and autumns are mild with variable weather, and summers are warm and sometimes humid. Compared to surrounding regions, Luzern has a slightly milder climate than high Alpine areas but cooler and wetter conditions than lower Swiss plains. Neighboring countries like Germany and Italy show more variation, with Italy being warmer and Germany having more continental climate influences.
Hourly UV Index Trend
See the UV index hour by hour for Luzern. When the level is high, it's smart to find some shade.
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