Last updated: July 2, 2025
In Saint-Jammes, France, understanding the UV Index is crucial for protecting your skin against harmful ultraviolet rays. With sunny days often gracing this Cfb climate region, awareness of UV levels can make all the difference in preventing sunburn and maintaining long-term skin health. The UV Index in Saint-Jammes peaks at 10 around midday, indicating a high risk of harm from unprotected sun exposure. As the day progresses, UV levels rise and fall, making it essential to stay informed and take appropriate precautions during peak hours. Embrace the sun safely by knowing when to seek shade or apply sunscreen!
As the sun rises, the UV Index begins at a mild 1 at 7:00 AM, providing a gentle start to the day. By 9:00 AM, it increases to a moderate 2, signaling a gradual build-up of UV radiation. The intensity peaks dramatically at 12:00 PM with an 8, and continues to soar, hitting a maximum of 10 at 1:00 PM and 2:00 PM. As the afternoon progresses, the UV Index starts to decline, dropping to 9 by 3:00 PM and tapering off to 6 at 5:00 PM. Finally, as the sun sets, the UV Index decreases to a benign 2 by 7:00 PM, illustrating the day’s dynamic UV exposure. Remember to protect your skin 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 | 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 | 4 | moderate | 30 min |
| 19:00 | 2 | low | 45 min |
Throughout the year, seasonal changes in UV exposure highlight significant fluctuations in the UV Index. The months of May through August are particularly high-risk, with UV Index values reaching a peak of 10, indicating very high exposure and a burn time of only 15 minutes. Visitors and residents should remain vigilant during these months, employing protective measures such as sunscreen and clothing, especially between 10 AM and 4 PM when UV exposure is strongest. March and April also show increased risk with UV Index values of 6 and 7 respectively. Conversely, January and December present lower risk levels, with UV Index values of 2 indicating low exposure and longer potential burn times of 45 minutes. It is essential to monitor UV levels year-round and adjust sun protection strategies accordingly to ensure safety.
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 |
| Toulouse UVI | 2 | 4 | 6 | 7 | 9 | 10 | 10 | 9 | 7 | 5 | 3 | 2 |
| Saint-Jammes | 2 | 4 | 6 | 7 | 9 | 10 | 10 | 9 | 7 | 5 | 3 | 2 |