Last updated: July 2, 2025
In Chatillon-en-Diois, France, being aware of the UV Index is crucial for protecting your skin and overall health. Understanding the varying UV levels throughout the day helps in preventing sunburn and reducing the risk of long-term skin damage. With a climate classified as Cfb, Chatillon-en-Diois experiences significant UV exposure, particularly during the midday hours when the index peaks at 10. Armed with this knowledge, residents and visitors can enjoy the beautiful outdoors while prioritizing their skin's safety.
As the sun rises, the UV Index starts off low, hitting just 1 by 07:00 and maintaining that level through 08:00. However, as the morning progresses, anticipation builds with a steady climb to 3 by 09:00 and peaking at a noteworthy 5 by 10:00. The intensity escalates sharply, reaching a maximum of 10 between 13:00 and 14:00, indicating a significant risk for unprotected skin. Gradually, the UV Index begins to decline, dropping back to 9 at 15:00 and easing down to 5, 3, and finally 2 as the day winds down through 17:00 to 19:00. A day to remember for sun seekers, but remember to apply that sunscreen during peak hours!
| 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 | 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 | 10 | very high | 15 min |
| 15:00 | 9 | 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 |
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 |