Last updated: July 2, 2025
In the picturesque town of Waltenheim-sur-Zorn, France, being aware of the UV Index is crucial for protecting your skin and maintaining overall health. Understanding UV levels is essential not only for preventing sunburn but also for safeguarding against long-term skin damage and conditions like skin cancer. With a Cfb climate that enjoys warm summers, residents and visitors alike must be vigilant about UV exposure, especially during peak hours when the index can reach as high as 8. By staying informed about UV levels, you can enjoy the beautiful outdoors while taking the necessary precautions to keep your skin safe.
As the sun rises, the UV Index starts at a gentle 1 at 07:00, gradually climbing to a moderate 2 by 08:00. By 09:00, it reaches a 3, indicating that sun protection is becoming more important. The day's peak occurs at 12:00, when the UV Index hits a high of 8, prompting caution for prolonged exposure. This intensity remains steady until 14:00, before tapering off slowly. At 15:00, it drops to 7, then decreases to 6 by 16:00, and falls further to 4 at 17:00. As the day winds down, the index retreats to a soothing 2 by 18:00 and concludes at 1 by 19:00, making the evening safe for outdoor strolls. Remember to protect your skin during those peak hours!
| 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 | 4 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV Index values vary significantly, indicating changing risks for sun exposure. The months of May to August are high-risk periods, with UV Indexes peaking at 9 in June and remaining at 8 in July, where burn times drop to just 15 minutes. In contrast, January and December present lower risks, with UV Indexes of 2 and 1, allowing for safer outdoor activities with burn times of 45 minutes. From February to April, the risk begins to increase, reaching a moderate category with a burn time of 30 minutes in February and March. Visitors and residents are advised to take protective measures—such as wearing sunscreen, protective clothing, and sunglasses—especially during the peak summer months when the sun's intensity can lead to quick skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Waltenheim-sur-Zorn | 2 | 3 | 5 | 6 | 8 | 9 | 8 | 7 | 6 | 4 | 2 | 1 |
| Paris UVI | 2 | 3 | 5 | 6 | 8 | 9 | 8 | 8 | 6 | 4 | 2 | 1 |
| Lyon UVI | 2 | 3 | 5 | 6 | 8 | 10 | 9 | 8 | 6 | 5 | 3 | 2 |
| Nice UVI | 2 | 4 | 6 | 7 | 8 | 10 | 9 | 8 | 7 | 5 | 3 | 2 |
| Marseille UVI | 2 | 4 | 5 | 7 | 9 | 10 | 9 | 8 | 7 | 5 | 3 | 2 |
| Toulouse UVI | 2 | 4 | 6 | 7 | 9 | 10 | 10 | 9 | 7 | 5 | 3 | 2 |