UV Index
Köln UV Index Today
- Current UV Index0.0
- Cloud Cover00%
- Temperature00.0 ℃
Day Summary
- Max UV Index6.3
- Avg Clouds17%
- Max Temp27.1 ℃
- Peak UV at 1 PM
- Protection Required ☀️
The UV index in Köln, Germany 
will reach a high of 6.3 today. This means a high level of sun exposure. See our tips below to stay safe!
Last checked: 2025-08-09
Hourly Forecast Chart
Today's Safety Tips
Be careful! The sun's rays are strong. Try to stay in the shade between 10 a.m. and 4 p.m. Wear a hat, sunglasses, and reapply SPF 30+ sunscreen every 2 hours.
Köln's UV Index
Köln's UV index is generally moderate, ranging from low in winter to moderate or high in summer, peaking during clear, sunny days. UV levels can occasionally reach around 7 during the hottest months. Seasonally, Köln experiences cool winters with occasional frost and snow, mild springs with increasing sunshine, warm summers often reaching 25-30°C, and colorful, crisp autumns with variable rainfall. Compared to nearby cities like Düsseldorf or Bonn, Köln's weather is quite similar, with slightly more rainfall than eastern Germany but less than coastal northern Germany. Neighboring countries like the Netherlands and Belgium share comparable temperate climates.
Hourly UV Index Trend
See the UV index hour by hour for Köln. When the level is high, it's smart to find some shade.
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