UV Index
Lyon UV Index Today
- Current UV Index0.0
- Cloud Cover00%
- Temperature00.0 ℃
Day Summary
- Max UV Index5.5
- Avg Clouds8%
- Max Temp26.5 ℃
- Peak UV at 1 PM
- Protection Required ☀️
The UV index in Lyon, France 
will reach a high of 5.5 today. This means a moderate level of sun exposure. See our tips below to stay safe!
Last checked: 2025-09-18
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.
Lyon's UV Index
In Lyon, the UV index is generally moderate, ranging from low in winter to moderate and occasionally high in summer, reflecting the sun's strength during different times of the year. Lyon experiences four distinct seasons: cold winters with occasional snow, warm and sometimes hot summers, mild springs with blooming flowers, and cool autumns with colorful leaves. Compared to other parts of France, Lyon has a continental climate, making it warmer in summer and colder in winter than coastal cities like Marseille. It is also generally sunnier and less rainy than neighboring countries like Switzerland.
Hourly UV Index Trend
See the UV index hour by hour for Lyon. When the level is high, it's smart to find some shade.
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