Last updated: July 2, 2025
In Bailly-en-Riviere, France, understanding the UV Index is crucial for maintaining optimal skin health and preventing sunburn. With the region's Cfb climate, residents and visitors alike face varying UV exposure levels that can be particularly intense during midday, peaking at an impressive UV Index of 8 between 1:00 PM and 3:00 PM. By staying informed about these UV levels, you can take proactive measures to protect yourself and enjoy the sun safely, making awareness an essential part of outdoor activities in this picturesque locale.
The UV Index today offers a clear picture of sun intensity throughout the day. Starting off gently, the index gradually rises from 1 at 07:00 and 08:00, reaching a moderate 2 by 09:00. The sun's brilliance peaks at 12:00, hitting a maximum of 7, before escalating to a high of 8 from 13:00 to 15:00. As the afternoon wanes, the index gracefully tapers down, retreating to 5 by 17:00 and further to 3 by 18:00. Finally, the UV levels drop to a gentle 2 by 19:00, signaling a safe time to enjoy evening outings while being mindful of sun exposure during peak 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 | 4 | 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 UV Index fluctuates throughout the year, understanding these seasonal changes is crucial for both residents and visitors. High-risk months for UV exposure typically occur from April to August, peaking in June and July when the UV Index reaches a very high level of 9 and 8, respectively, resulting in a burn time of just 15 minutes. To protect against harmful effects of UV radiation, individuals should take precautions during these months, such as wearing sunscreen, protective clothing, and seeking shade during midday hours. During the months of January, November, and December, the UV Index is notably lower, with exposure considered low, allowing for more relaxed outdoor activities without heavy sun protection. Overall, being aware of UV changes can greatly enhance safety and enjoyment while enjoying the outdoors.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bailly-en-Riviere | 2 | 3 | 4 | 6 | 7 | 9 | 8 | 8 | 5 | 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 |