Last updated: July 2, 2025
In Lanslebourg-Mont-Cenis, France, awareness of the UV Index is crucial for safeguarding your skin against harmful sun exposure. Understanding UV levels not only helps prevent painful sunburns but also supports long-term skin health in this picturesque Alpine setting. With its Cfb climate, Lanslebourg-Mont-Cenis experiences varying UV exposure throughout the day, peaking at a significant 11 between noon and 2 PM. Being informed about these levels allows residents and visitors alike to enjoy the stunning mountain scenery while prioritizing their well-being under the sun.
The UV Index throughout the day presents a fascinating peak in solar intensity, starting from a mild 1 at 7:00 AM. As the sun climbs, the index rises gradually, reaching a moderate 3 by 9:00 AM. However, it’s at 11:00 AM when the UV Index begins to surge, hitting 7, and then reaching its zenith with a staggering 11 at both 1:00 PM and 2:00 PM, marking the hours when sun safety is crucial. The afternoon sees a gentle decline, dropping to 9 at 3:00 PM, then tapering off to 5 by 5:00 PM. As evening approaches, the intensity diminishes further, settling at 2 by 7:00 PM. Remember to stay protected 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 | 5 | moderate | 30 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 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 exhibits significant seasonal variations, with the most intensive exposure occurring from March through August. During these months, the index peaks at 11, categorized as extreme in June and July, with a rapid burn time of just 10 minutes. March, April, and May also present high risks, classified as very high with minimum burn times of 15 minutes. Conversely, the months of January, November, and December feature the lowest UV ratings, ranging from 2 to 4, where the burn time is notably longer at 30 to 45 minutes. It is crucial for visitors and residents alike to take necessary precautions during the peak months, such as wearing protective clothing, utilizing sunscreen, and seeking shade to mitigate the risks of overexposure to UV radiation.
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 |
| Lanslebourg-Mont-Cenis | 3 | 5 | 8 | 9 | 10 | 11 | 11 | 10 | 8 | 6 | 4 | 2 |