Last updated: July 2, 2025
In Fatouville-Grestain, France, staying aware of the UV Index is essential for protecting your skin and overall health. Understanding UV levels is crucial to prevent sunburn and reduce the risk of long-term skin damage, especially during the sunniest parts of the day. With its Cfb climate, Fatouville-Grestain experiences moderate temperatures and varying UV exposure throughout the year. Notably, UV levels can peak at an 8 between noon and 3 PM, highlighting the importance of sun safety measures during these hours. Embrace the beautiful weather while staying informed to enjoy the sun responsibly!
The UV Index rises dramatically as the day unfolds, starting with a mild 1 at 07:00 and escalating to a peak of 8 between 13:00 and 15:00. This midday sun intensity signals a critical time for sun protection, with optimal caution advised given the 7 at 12:00 and the 8 that follows. As the afternoon wanes, the index gradually declines, dropping to 5 by 17:00 and tapering to below 3 by 19:00. It's a day characterized by a significant UV presence, underscoring the importance of vigilance in sun safety during those peak afternoon 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 | 3 | 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fatouville-Grestain | 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 |