Last updated: June 2, 2025
In Saint-Jean, France, being aware of the UV Index is crucial for safeguarding your skin health under the sun's powerful rays. Understanding UV levels not only helps in preventing sunburn, but also educates residents and visitors alike about the risks of long-term skin damage. With its Cfc climate, Saint-Jean experiences significant UV exposure throughout the day, peaking at an impressive 11 between 1 PM and 2 PM, presenting a real threat if proper precautions aren't taken. Stay informed and protect your skin while enjoying the beautiful outdoor lifestyle that this charming locale has to offer!
As the sun rises, the UV Index begins its ascent from a modest 1 at 07:00, gradually climbing to reach 2 by 08:00. By 09:00, it hits 3, but the real heat kicks in around 10:00 with a sharp jump to 6. Peak UV exposure occurs at 12:00 and 13:00, soaring to 10 and 11 respectively, emphasizing the need for sun protection during these hours. The intensity starts to wane after 14:00, slipping back to 10, followed by a decline to 8 at 16:00. As the day winds down, the UV Index falls to 5 by 17:00, and continues to decrease, leaving us with a gentler 3 at 18:00 and a final close at 2 by 19:00. Stay sun-safe during the peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 6 | high | 25 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 10 | very high | 15 min |
| 16:00 | 8 | very high | 15 min |
| 17:00 | 5 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 2 | low | 45 min |
The seasonal changes in UV index reveal a significant increase in solar radiation from late winter into summer. January and February see moderate UV exposure with indices of 3 and 5, respectively, where burn time is 30 minutes. However, as we enter March through June, the UV index escalates dramatically, reaching a peak of 11 in June, classified as extreme, with burn times dropping to just 10 minutes. July and August maintain a very high level of UV exposure at 10, while September sees a slight decrease to 8. October marks a return to high exposure with a UV index of 6, while November and December return to moderate and low levels, suggesting burn times lengthen to 30 and 45 minutes, respectively. Visitors and residents are advised to exercise caution during high-risk months from March to September, particularly at noon when the sun's rays are the strongest. Regular use of sunscreen, protective clothing, and avoidance of prolonged sun exposure are essential during these peak times to minimize the risk of skin damage.
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-Jean | 3 | 5 | 8 | 9 | 10 | 11 | 10 | 10 | 8 | 6 | 3 | 2 |