Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Quettreville-sur-Sienne, France, where the climate can lead to elevated sun exposure, especially during the summer months. With UV levels reaching a maximum of 8 at midday, awareness of these values is essential for effective sunburn prevention and long-term skin health. By monitoring the UV Index, you can protect yourself and loved ones from harmful effects like skin damage and increased cancer risk. Embrace the beautiful weather, but remember that while the climate is mild, the sun's rays can still pose significant risks—especially during peak hours. Stay informed and stay safe!
At dawn, the UV Index starts off gently, with a maximum of 1 at 7:00 AM, suggesting minimal sun protection is needed. As the day progresses, the intensity gradually increases, reaching 3 by 10:00 AM. The peak occurs during the afternoon, with the UV Index soaring to 8 at 1:00 PM, remaining steady until 3:00 PM. This level signifies a high risk of harm from unprotected sun exposure, emphasizing the importance of sunscreen and protective clothing. As the sun begins to set, the index gradually declines, dropping to 4 by 6:00 PM and further as twilight approaches. Enjoy the sun, but stay sun-safe during those highest hours!
| 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 | 3 | moderate | 30 min |
| 11:00 | 5 | moderate | 30 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 8 | 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 | 4 | moderate | 30 min |
| 19:00 | 2 | low | 45 min |
As the seasons change, so too does the UV Index, which plays a crucial role in understanding sun exposure risks. The highest risk months for UV exposure occur from April to August, particularly peaking in June with a UV Index of 9, categorized as very high, allowing for a burn time of just 15 minutes. Visitors and residents should be especially vigilant during these months, adopting protective measures such as wearing sunscreen, hats, and sunglasses, and seeking shade during peak hours. The UV Index drops significantly in January, November, and December, with low exposure categories, easing sun protection needs during these winter months. However, it’s important to remain aware and prepared for UV fluctuations throughout the year.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Quettreville-sur-Sienne | 2 | 3 | 4 | 6 | 7 | 9 | 8 | 8 | 6 | 4 | 2 | 1 |
| 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 |