Last updated: June 2, 2025
In San-Giuliano, France, staying informed about the UV Index is crucial for protecting your skin against harmful ultraviolet radiation. Understanding UV levels not only helps in preventing painful sunburns but also plays a significant role in maintaining long-term skin health. With a Csb climate, residents and visitors should be particularly mindful of peak UV exposure times, especially between 11 AM and 2 PM, when the index can reach as high as 10. Awareness of the UV index empowers the community to enjoy the sunny Mediterranean climate safely, making sun protection an essential part of daily life.
As the sun rises, the UV Index gradually climbs, beginning at a mild 1 at 7:00 AM. By 9:00 AM, it reaches 3, prompting early risers to consider sun protection. The intensity peaks at 1:00 PM with a maximum of 10, signaling the most hazardous conditions for unprotected skin. As the afternoon unfolds, the index dips from 9 at 2:00 PM to 6 by 4:00 PM, offering a brief respite. As the day winds down, the UV rays decrease, falling to 2 by 6:00 PM and returning to a safe 1 by 7:00 PM. Stay mindful of these fluctuations to enjoy the sun while safeguarding your skin!
| 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 | 5 | moderate | 30 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index experiences notable seasonal fluctuations, with specific months posing higher risks for sun exposure. From January to February, the UV levels transition from low to moderate, increasing the need for sun protection as spring approaches. April marks the start of the high UV exposure period, peaking in May and June with very high levels, where the burn time significantly decreases to just 15 minutes. July and August maintain these intense levels, necessitating extra caution for outdoor activities. As autumn sets in, the UV index drops to high in September and October, before returning to moderate in November and returning to low levels in December. Residents and visitors are urged to stay vigilant, particularly during the high-risk months of April to August, ensuring they wear sunscreen and protective clothing to minimize the risk of UV-related health issues.
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 |
| San-Giuliano | 2 | 4 | 5 | 7 | 8 | 10 | 9 | 9 | 7 | 6 | 3 | 2 |