Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in Naizin, France, where the effects of sun exposure can be significant, especially during peak hours. With the climate classified as Cfb, Naizin experiences a range of UV levels throughout the day, making it essential to monitor UV intensity to prevent sunburn and maintain skin health. During sunny periods, the UV Index can reach as high as 9 between 2 PM and 3 PM, which significantly increases the risk of skin damage. By staying informed about UV levels, you can enjoy the beautiful outdoors safely while protecting your skin from potential harm.
As the day unfolds, the UV Index climbs steadily, peaking from 9 between 14:00 and 15:00. Early morning hours provide minimal exposure with a UV Index of 1 at 07:00 and 08:00. The sun's intensity increases to 3 by 10:00 and surges to 7 at noon, marking the start of heightened sun safety awareness. By 13:00, the index reaches a sizzling 8, indicating the need for precautions against harmful rays. As the afternoon wanes, the UV Index gradually dips, falling to 5 by 17:00 and 4 by 18:00. Post-sunset, it returns to 2 at 19:00, offering a reprieve as the evening settles in. Stay protected during those 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 | 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 | 9 | very high | 15 min |
| 15:00 | 9 | 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 |
Throughout the year, UV radiation levels fluctuate significantly, with distinct high-risk months emerging in the summer. From May to August, the UV Index is categorized as very high (ranging from 8 to 9), indicating that visitors and residents should exercise heightened caution, as the burn time decreases to just 15 minutes. April sees a transition to a high exposure category, while March starts in a moderate range. Conversely, the winter months, including January, November, and December, have a low UV Index (2), granting longer burn times of 45 minutes. To safeguard against skin damage, it's imperative for everyone to wear protective clothing, seek shade, and apply sunscreen during peak UV times, especially from late spring to the end of summer.
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 |
| Naizin | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 6 | 5 | 2 | 2 |
| 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 |