Last updated: May 3, 2025
Understanding the UV Index in Martignat, France is essential for protecting your skin and maintaining overall health. With the region's Cfb climate, residents and visitors often enjoy mild summers, but it's crucial to recognize that high UV levels can pose serious risks, including sunburn and long-term skin damage. For instance, the UV Index hits a peak of 8 around midday, indicating a high potential for harm, particularly during the warmer months. By staying informed about local UV levels, you can take the necessary precautions and enjoy the sun safely!
The UV Index throughout the day reveals a dynamic pattern of sun intensity. Starting the day gently at 1 during the early hours, the sun escalates its radiance by 09:00, reaching 2. As the morning blossoms into midday, we see a noticeable rise, peaking at 8 between 13:00 and 14:00—perfect for those seeking the sun's warmth. However, as the afternoon wanes, the intensity begins to retreat, dropping back to 4 by 17:00, and finally mellowing out to 1 by 19:00. It's a reminder to embrace sun safety during the peak hours of 11:00 to 14:00, where protection is vital! ☀️
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 2 | low | 45 min |
| 10:00 | 4 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | 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 |
| Martignat | 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 |