Last updated: June 2, 2025
In the serene village of Biron, France, awareness of the UV Index is essential for safeguarding your skin against harmful sun exposure. Understanding UV levels is crucial to prevent sunburn and maintain long-term skin health, especially during the peak hours of sunlight. With a Cfb climate that brings moderate temperatures and varied sun intensity, residents and visitors alike should be mindful of rising UV levels that can reach a maximum of 10 between noon and 2 PM. Stay informed and protected to enjoy the beautiful sunny days while minimizing the risk of UV damage!
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 |
| Biron | 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 |