Last updated: July 2, 2025
Understanding the UV Index in Sahurs, France, is crucial for protecting your skin and overall health. With the region's Cfb climate offering mild summers and enough sunshine, the potential for harmful UV exposure, particularly during peak hours, is a pressing concern. Recognizing how UV levels fluctuate throughout the day—even reaching a maximum of 9 between 14:00 and 15:00—can empower you to take proactive measures against sunburn. Knowledge is your first line of defense, making it essential to stay informed about local UV risks to ensure you enjoy the sun safely.
As the sun rises, the UV Index begins its journey, peaking at 1 by 7:00 AM and 8:00 AM, indicating a low risk of harm from unprotected sun exposure. However, by 9:00 AM, it escalates to 2, nudging us to be more cautious. The afternoon hours bring a notable increase, with the index reaching 4 at 10:00 AM, advancing to 5 by 11:00 AM. The real intensity hits around 12:00 PM, soaring to 7, followed by an impressive peak of 9 at 2:00 PM. As the day winds down, the UV Index gradually declines, dropping to 8 at 3:00 PM, then easing to 7, 5, 3, and finally settling at 2 by 7:00 PM. This data serves as a reminder of the sun’s potency, especially during midday, emphasizing the importance of sun protection during 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 | 5 | moderate | 30 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 7 | high | 25 min |
| 17:00 | 5 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 2 | low | 45 min |
Throughout the year, the UV Index exhibits notable seasonal changes, peaking during the summer months of May through August when it reaches levels categorized as very high. May sees a UV Index of 8, progressing to 9 in both June and July, before slightly declining to 8 in August. These months are particularly high-risk, with significantly reduced burn times of just 15 minutes for unprotected skin. As summer transitions to fall, the UV Index decreases, dropping to 6 in September and moderating to 4 in October, where the burn time increases back to 30 minutes. Residents and visitors are advised to take extra precautions during the high-risk months—wearing sunscreen, protective clothing, and sunglasses to reduce the risk of sun damage, especially during midday hours when the UV radiation is strongest. In contrast, the winter months from November to February present lower UV levels, with January and December categorized as low, allowing for safer outdoor activities without extensive sun protection.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sahurs | 2 | 3 | 4 | 6 | 8 | 9 | 9 | 8 | 6 | 4 | 2 | 1 |
| 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 |