Last updated: May 3, 2025
In Saint-Chaffrey, France, understanding the UV Index is crucial for protecting your skin and overall health. The UV Index provides valuable insight into the strength of ultraviolet radiation on any given day, helping residents and visitors alike to prevent sunburn and skin damage during outdoor activities. Known for its Dfc climate, Saint-Chaffrey experiences a range of UV exposure risks that peak around midday, with values reaching as high as 10. By staying informed about the UV levels in this beautiful alpine town, you can make smart decisions to enjoy the sun safely while safeguarding your skin health.
The UV Index chart reveals a dynamic daily pattern of solar intensity. Starting early in the day, the UV Index remains low, peaking at 1 by 08:00. However, as the sun reaches its zenith, the index surges dramatically—hitting 7 by 11:00 and soaring to a maximum of 10 between 13:00 and 14:00. This signals a critical window for sun exposure, where protection is essential. As the afternoon progresses, the UV levels begin to decline, dropping to 4 by 17:00, before tapering off to 1 again by evening. To stay safe, it's vital to be cautious during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | 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 | 10 | very high | 15 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 7 | 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 levels fluctuate significantly, with high-risk months primarily from March to October. Starting in March, the UV Index escalates to 7 (high) and peaks in June at 11 (extreme), indicating the need for heightened caution. April and May also present very high levels (9 and 10, respectively), while July through September remain in the very high category, with UV Index values ranging from 8 to 10. As a warning, individuals should pay close attention to their exposure during these months and minimize time spent in direct sunlight, especially during peak hours. It is essential for both residents and visitors to protect their skin by applying sunscreen, wearing protective clothing, and seeking shade whenever possible, particularly between April and September when burn times decrease to as little as 10 to 15 minutes. As the year progresses into November and December, UV levels decrease to moderate and low, allowing for safer outdoor activities.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| Saint-Chaffrey | 3 | 5 | 7 | 9 | 10 | 11 | 10 | 9 | 8 | 6 | 3 | 2 |