Last updated: June 2, 2025
Being aware of the UV Index is crucial in Les Ayvelles, France, where the charming Cfb climate brings warm summers that can expose residents and visitors to varying levels of UV radiation. Understanding UV levels is essential not only for preventing sunburns but also for promoting long-term skin health. During peak hours, especially between 12:00 PM and 2:00 PM, the UV Index can reach 8, indicating a high risk of harm from unprotected sun exposure. As you enjoy the beautiful surroundings of Les Ayvelles, staying informed about UV levels will help you protect your skin and make the most of your time outdoors!
The UV Index experience throughout the day reveals a notable pattern of intensity, peaking at 12:00 PM with a remarkable value of 8. As the morning unfolds, the index starts low, recording a mere 1 in the early hours at 7:00 AM and 8:00 AM. A gradual rise occurs, reaching 3 by 9:00 AM, then experiencing a significant jump to 4 at 10:00 AM. The sun reaches its zenith at 11:00 AM, as the UV Index escalates to 6 before hitting its highest points of 8 between 12:00 PM and 2:00 PM. Post-peak, the index gently declines, closing out the afternoon at 4 by 5:00 PM, and finally tapering off to 2 by 7:00 PM. This data underscores the importance of UV protection during the midday hours when the sun's rays are the most potent.
| 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 | 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 | 3 | moderate | 30 min |
| 19:00 | 2 | low | 45 min |
As the seasons change, so do UV levels, significantly impacting safety for visitors and residents. January has a low UV Index of 2, with a burn time of 45 minutes, while February and March see a moderate increase to 3 and 4, respectively, indicating a burn time of 30 minutes. Moving into April, the UV Index rises to 6 (high), compressing burn time to 25 minutes. The high-risk months of May through August present a very high UV Index of 8, where skin can burn in as little as 15 minutes. A moderate drop occurs in September (UV Index 6), followed by October with a UV Index of 4 before returning to low levels in November and December. Visitors and residents are strongly advised to take protective measures during May to August, such as wearing sunscreen, long sleeves, and sunglasses, as exposure during these months can pose serious risks to skin health.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Les Ayvelles | 2 | 3 | 4 | 6 | 8 | 8 | 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 |