Last updated: July 2, 2025
In Risoul, France, staying informed about the UV Index is crucial for protecting your skin and overall health. Understanding UV levels helps prevent sunburn and long-term skin damage, especially during the peak exposure hours when the index soars to a maximum of 10 around midday. Nestled in a Dfc climate zone, Risoul's high-altitude setting can lead to intensified UV radiation, putting residents and visitors at risk even on overcast days. By being aware of the UV Index and taking necessary precautions, you can savor the stunning alpine vistas while keeping your skin safe and healthy.
As the sun rises, the UV Index begins its steady ascent, starting at a mild 1 at 7:00 AM. By 8:00 AM, it reaches 2, hinting at the day ahead. As we approach mid-morning, the intensity climbs to 3 by 9:00 AM and then dramatically spikes to 5 at 10:00 AM. The real peak occurs between 12:00 PM and 2:00 PM, where the index soars to a whopping 10, indicating strong sun exposure. This midday intensity begins to taper off by 3:00 PM, as it drops to 9, and continues to slide through the late afternoon, ending the day at 1 by 7:00 PM. It's crucial to stay protected during those peak hours to enjoy the sun safely!
| 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 | 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 | 1 | low | 45 min |
Throughout the year, the UV Index exhibits notable seasonal variations, with significant peaks during the warmer months. The high-risk months for UV exposure are primarily from April to September, where the index reaches very high to extreme levels, particularly in June with a peak index of 11. During these months, burn times are significantly reduced, ranging from 10 to 15 minutes. Visitors and residents are advised to take extra precautions during this period by seeking shade, wearing protective clothing, and applying sunscreen regularly. January, February, and November present moderate exposure, allowing for longer burn times of up to 30 minutes, while December offers the lowest risk with a low UV index and a burn time of 45 minutes. Awareness of these changes is crucial for minimizing the risk of UV exposure and ensuring safe outdoor activities throughout the year.
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 |
| Risoul | 3 | 5 | 7 | 9 | 10 | 11 | 10 | 10 | 8 | 6 | 3 | 2 |