Last updated: May 3, 2025
In Chatillon-en-Diois, France, staying informed about the UV Index is crucial for safeguarding your skin health and preventing sunburn. The UV Index provides essential information about the strength of ultraviolet radiation from the sun, helping residents and visitors alike take proactive measures to enjoy the outdoors safely. With a Cfb climate that experiences warm summers, understanding the potential risks is important—especially during peak hours like noon, when the UV Index soars to 9. By monitoring these levels, you can effectively plan your outdoor activities and protect your skin from harm, ensuring a healthier and more enjoyable experience under the sun.
Starting from 07:00 AM, the UV Index remains low at 1, perfect for a morning stroll. As the sun climbs higher, the intensity gradually increases: reaching 3 by 09:00 AM and then escalating to 4 at 10:00 AM. The peak intensity occurs at 01:00 PM, with a striking UV Index of 9, suggesting it's vital to seek shade or apply sunscreen during this hour. The afternoon sees a slight decline, with values of 8 at 03:00 PM and 6 by 04:00 PM. As the day winds down, the UV Index drops back to 4 at 05:00 PM, and then gently falls to 2 by 06:00 PM, before settling back at 1 near sunset. It's a day to stay sun-smart!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 4 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 9 | 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 |
Seasonal changes in UV exposure reveal significant fluctuations throughout the year. From March to August, UV Index levels peak, particularly in May and June, where they reach 9 to 10, indicating a very high risk for skin damage. The months of March, April, May, June, and July are especially hazardous with burn times as low as 15 minutes during peak hours. Visitors and residents should take strong precautions during these high-risk months, such as wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade. As the year progresses, UV levels decrease; by October, the index drops to 5 (moderate), and in December, it is a relatively safe 2 (low), allowing for longer exposure times without immediate risk. Being aware of these seasonal changes is crucial for maintaining skin health.
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 |
| Chatillon-en-Diois | 3 | 4 | 6 | 7 | 9 | 10 | 10 | 9 | 7 | 5 | 3 | 2 |