Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors of Montperreux, France, where sunny days can quickly escalate sun exposure risks. As the UV levels fluctuate throughout the day, keeping informed helps prevent sunburn and long-term skin damage. With a Cfb climate that boasts mild summers and occasional intense sunlight, Montperreux experiences significant UV exposure, especially between 11:00 AM and 3:00 PM. By staying aware of the UV Index, you can protect your skin and enjoy the beauty of Montperreux safely.
As the sun rises, the UV Index begins to climb steadily throughout the morning, starting from a low of 1 at 07:00. By 09:00, it reaches 3, but the real surge occurs between 10:00 and 14:00, when it peaks at a remarkable 10. This indicates a high risk of harm from unprotected sun exposure. After 14:00, the intensity begins to wane, dipping to 8 at 15:00 and gradually decreasing to 3 by 18:00. As the day winds down, the UV Index falls back to a safe 1 by 19:00, reminding us of the importance of sun protection during those peak hours. Stay vigilant and protect yourself when the sun is at its strongest!
| 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 | 8 | very high | 15 min |
| 16:00 | 7 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index exhibits significant seasonal fluctuations, indicating varying levels of risk for sun exposure. The high-risk months are from March to August, peaking in June with an index of 10, where the risk is categorized as very high and a burn time of just 15 minutes. Residents and visitors should take caution during these months, ensuring they utilize sunscreen, wear protective clothing, and seek shade, especially during midday when UV radiation is strongest. As we move into September and October, the UV Index decreases, indicating a lower risk, making these months more favorable for outdoor activities while still maintaining sun protection measures. As winter approaches from November to February, the UV levels drop significantly, offering more gentle sun exposure, yet it remains wise to be mindful of skin protection, even during these months.
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 |
| Montperreux | 2 | 3 | 6 | 7 | 8 | 10 | 9 | 8 | 6 | 4 | 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 |