Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Le Devoluy, France, where the region’s stunning alpine scenery can come with hidden risks. Awareness of UV levels is vital not only for preventing sunburn but also for maintaining long-term skin health. With a climate characterized by cool summers and periods of high UV exposure, especially during midday hours when the index peaks at 10, it's essential to take precautionary measures. Whether you're hitting the slopes or enjoying a summer hike, being informed about the UV Index can help you enjoy the sun safely in this beautiful mountainous region.
As the sun rises, the UV Index starts off low, hitting just 1 by 07:00 and maintaining that level through 08:00. However, as the morning progresses, anticipation builds with a steady climb to 3 by 09:00 and peaking at a noteworthy 5 by 10:00. The intensity escalates sharply, reaching a maximum of 10 between 13:00 and 14:00, indicating a significant risk for unprotected skin. Gradually, the UV Index begins to decline, dropping back to 9 at 15:00 and easing down to 5, 3, and finally 2 as the day winds down through 17:00 to 19:00. A day to remember for sun seekers, but remember to apply that sunscreen during 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 | 5 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 2 | low | 45 min |
The UV Index demonstrates significant seasonal variation, with the highest levels occurring during the summer months. June stands out as the peak month with an extreme UV Index of 11, meaning even a brief exposure can lead to skin damage, with a burn time of just 10 minutes. The high-risk months for UV exposure are from March to September, particularly notable in April (UV Index 8) and May (UV Index 9), where protective measures are crucial. Residents and visitors are advised to take precautions, such as using sunscreen, wearing protective clothing, and seeking shade, especially during midday hours. As the seasons shift towards October and November, UV levels decrease significantly, returning to moderate and low categories, 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 |
| Le Devoluy | 3 | 5 | 7 | 8 | 9 | 11 | 10 | 9 | 8 | 5 | 3 | 2 |