Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Dortan, France, where the climate fosters plenty of opportunities for outdoor activities. With UV levels peaking at a 9 during midday, awareness of these levels is essential for sunburn prevention and maintaining long-term skin health. The Cfb climate here typically leads to moderate yet significant UV exposure, particularly in summer months. Stay informed about the local UV Index to protect your skin while enjoying the beautiful surroundings of Dortan!
The UV Index for the day presents a fascinating snapshot of solar intensity. Starting off gently at 1 during the early hours of 7:00 and 8:00, the sun gradually gains strength, peaking at a robust 9 between 13:00 and 14:00. This period marks the day's highest UV exposure, making it crucial for sun protection. Notably, the intensity begins to taper off after 15:00, descending to 3 by 18:00, and finally closing the day at 2 by 19:00. It's a clear reminder of the day's rhythm: with the sun rising high, the midday hours demand caution, while the early mornings and evenings offer a more gentle embrace of sunlight.
| 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 | 4 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 8 | 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 |
Throughout the year, seasonal changes in the UV Index highlight significant variations in sun exposure risk. From January to March, the UV Index gradually increases from a low level (2) in January to a moderate level (5) in March, with burn times decreasing from 45 minutes to 30 minutes. In April, the UV Index escalates to high (6), indicating a need for greater sun protection as burn time drops to 25 minutes. May through August presents the highest risk, with UV Index readings reaching very high (8-10) and burn times falling to a mere 15 minutes. September sees a decline to high (6), while October to December returns to moderate (3) and low (2) levels, allowing for longer exposure times of 30-45 minutes. Visitors and residents should take particular care during the high-risk months of May through August, ensuring to apply sunscreen and seek shade during peak hours to protect against harmful UV rays.
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 |
| Dortan | 2 | 3 | 5 | 6 | 8 | 10 | 9 | 8 | 6 | 4 | 3 | 2 |
| 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 |