Last updated: July 2, 2025
Understanding the UV Index is crucial for everyone in Montgenèvre, France, especially for those who enjoy the great outdoors in this stunning alpine environment. As UV levels can soar throughout the day—peaking at a significant 11 around midday—being aware of these fluctuations helps in preventing sunburn and protecting skin health. Montgenèvre’s climate, characterized by its cool summers and ample sunlight, presents unique exposure risks that warrant attention. Stay informed and take the necessary precautions to enjoy the sunshine safely!
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 |
| Montgenevre | 3 | 5 | 8 | 9 | 10 | 11 | 11 | 10 | 8 | 6 | 4 | 2 |