Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Charbonnières-les-Varennes, France, where the climate lends itself to varying levels of sun exposure throughout the day. With UV levels peaking at a high of 10 in the afternoon, awareness of these fluctuations can significantly enhance sunburn prevention and overall skin health. By comprehensively grasping the UV index, you can make informed decisions about outdoor activities, ensuring protection during the sun's most intense hours, typically from late morning to mid-afternoon. As this charming town experiences a Cfb climate, the risks associated with UV exposure are particularly relevant, making it essential to stay informed and safeguard your skin.
The UV Index today shows a striking rise in intensity as the morning unfolds. Starting at 1 at 7:00 AM, it gradually increases to 2 by 9:00 AM. The sunshine peaks dramatically at 10:00 AM, reaching a robust 4, before soaring to its highest point of 10 at 2:00 PM. As the afternoon sun begins its descent, the index slightly dips but remains notable at 9 until 3:00 PM. The day transitions into the evening with values gently falling to 3 by 6:00 PM. With this data, it's clear that protecting your skin during the midday hours—especially between 12:00 PM and 2:00 PM—is essential for safety in the sun.
| 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 | 6 | high | 25 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 9 | 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 |
The UV Index exhibits notable seasonal variations, with high and very high levels prevalent during the warmer months. From March to August, the UV Index peaks, particularly in June and July when it hits 10, posing a significant risk for sunburn with a burn time of just 15 minutes. May also sees a very high index at 8, while April and September reach a high level of 7. Conversely, the winter months of January and December present a much lower risk, categorized as low exposure with burn times of 45 minutes. Residents and visitors are advised to take extra precautions—such as applying sunscreen, wearing protective clothing, and seeking shade—during the high-risk months of March through August, especially on sunny days, to mitigate the harmful effects of increased UV radiation.
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 |
| Charbonnieres-les-Varennes | 2 | 3 | 6 | 7 | 8 | 10 | 10 | 9 | 7 | 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 |