Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in Champagne, Switzerland, where the mild Cfb climate brings diverse seasonal weather patterns. Being aware of UV levels is essential for sunburn prevention and maintaining long-term skin health. With peak UV exposure typically occurring between 11 AM and 2 PM—reaching levels as high as 9—it’s important to protect your skin from harmful rays to avoid both immediate damage and future complications. Stay informed, enjoy the sunshine responsibly, and embrace the beauty of Champagne while safeguarding your health!
Throughout the day, the UV Index fluctuates dramatically, peaking during the midday hours. Starting at a low of 1 at 07:00, the index rises steadily, reaching 3 by 09:00. As 10:00 approaches, it escalates to 5, but the real intensity hits between 12:00 and 14:00 when it peaks at 9. During this window, it's crucial to take sun safety precautions. As the afternoon progresses, the UV levels begin to taper off, dropping to 8 at 15:00 and gradually declining further to 3 by 18:00. Finally, the UV Index returns to its morning low of 1 by 19:00, marking a safe end to sun exposure for the day.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index experiences significant fluctuations that pose varying levels of risk for sun exposure. From January to March, the UV Index remains low to moderate, with burn times increasing from 45 minutes in January to 25 minutes by March. However, as we transition into April, May, June, and July, the risk escalates sharply, peaking at 9 in June and July, where burn times drop to just 15 minutes. These months are particularly high-risk for skin damage, emphasizing the need for protective measures. August sees a slight decline, but remains at a very high UV Index of 8. As autumn approaches, the UV Index decreases, stabilizing at moderate levels in October and November with burn times increasing back to 30 minutes, before returning to low risk in December. To ensure safety during high-risk months, residents and visitors should apply sunscreen frequently, wear protective clothing, and seek shade, especially during peak sunlight hours between 10 a.m. and 4 p.m.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Basel UVI | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 6 | 4 | 2 | 1 |
| Bern UVI | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 6 | 4 | 2 | 2 |
| Zurich UVI | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 6 | 4 | 3 | 2 |
| Champagne | 2 | 3 | 6 | 6 | 8 | 9 | 9 | 8 | 6 | 4 | 3 | 2 |
| Geneve UVI | 2 | 3 | 6 | 7 | 8 | 10 | 9 | 8 | 7 | 5 | 3 | 2 |
| Lausanne UVI | 2 | 4 | 6 | 7 | 8 | 10 | 9 | 9 | 7 | 5 | 3 | 2 |