Last updated: June 2, 2025
Understanding the UV Index is essential for residents and visitors in Seyresse, France, especially during the sun-drenched summer months. As a key indicator of harmful ultraviolet radiation, monitoring UV levels allows you to take proactive measures against sunburn and long-term skin health issues. This charming town, nestled in a Cfb climate zone, experiences elevated UV rays, particularly between 12 PM and 2 PM, when the index peaks at levels as high as 10. By staying informed about local UV levels, you can protect your skin and enjoy the beautiful French sun safely.
As the sun climbs higher in the sky, the UV Index begins its ascent, starting from a mild level of 1 at 07:00 and gradually building momentum. By 10:00, it reaches a moderate 4, signaling a need for caution. The intensity peaks at 12:00 and 13:00, where it hits a striking 8 and a scorching 10, indicating a heightened risk for sunburn. As the afternoon progresses, the index begins to taper off, dipping to 9 at 15:00, then gradually declining to 3 by 18:00. This hourly UV data serves as a reminder to stay protected during those critical midday hours when the sun’s rays are most potent.
| 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 | 6 | high | 25 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 8 | very high | 15 min |
| 17:00 | 6 | high | 25 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 2 | low | 45 min |
Seasonal changes in UV exposure highlight significant variations throughout the year, with high-risk months identified primarily from April to August, where the UV Index peaks at 10 during June and July, indicating a very high exposure category and a rapid burn time of just 15 minutes. As spring transitions into summer, visitors and residents are urged to employ protective measures such as applying sunscreen, wearing protective clothing, and seeking shade during peak hours. Conversely, fall and winter months like January and December present lower UV indices, categorized as low, allowing for extended outdoor activity with a burn time of up to 45 minutes. Staying informed about UV levels can help ensure safe outdoor enjoyment year-round.
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 |
| 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 |
| Seyresse | 2 | 4 | 5 | 7 | 9 | 10 | 10 | 9 | 7 | 5 | 3 | 2 |
| Toulouse UVI | 2 | 4 | 6 | 7 | 9 | 10 | 10 | 9 | 7 | 5 | 3 | 2 |