Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Varois-et-Chaignot, France, where the climate features temperate conditions with significant sun exposure throughout the year. As the UV Index can reach a peak value of 9 during midday hours, being aware of these levels is essential for preventing sunburn and protecting skin health. Exposure to harmful UV rays increases the risk of skin damage, particularly during the summer months when the sun shines most brightly. By staying informed about UV levels, residents can make smarter choices about sun protection, ensuring their time outdoors is both enjoyable and safe.
As the sun rises, the UV Index creeps up from a mild 1 at 07:00 and 08:00, indicating a low risk for skin damage. By 09:00, it bumps up to 2, still manageable, but the midday sun packs a punch! At 10:00, the index reaches 4, and by 11:00, it skyrockets to 6, signaling that it's time to find some shade. The peak occurs at 12:00, with an impressive 8, and the intensity remains high at 13:00 and 14:00, both hitting 9. As the afternoon transitions, the numbers gradually decline; by 15:00, it decreases to 8, then 6 at 16:00, and continues to slip to 5 by 17:00. As we head into the evening, the UV Index settles back to a gentle 3 at 18:00, and finally winds down to 2 by 19:00, marking the end of a sun-soaked day. Remember to protect your skin during those 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 | 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 | 5 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 2 | low | 45 min |
Throughout the year, the UV Index demonstrates notable seasonal variations that affect exposure risk. January and February have relatively low to moderate UV levels (Index 2-3), with safe burn times of 45 and 30 minutes respectively. As spring approaches, March sees a rise to an index of 5, and by April, it reaches 6, marking the beginning of high-risk months. The most critical period arrives in May and June, where the UV Index peaks at 8-9, indicating very high exposure risk and a reduced burn time of just 15 minutes. July and August maintain this peak, before tapering off in September with a return to a high risk (UV Index 6). October brings a moderate reduction (Index 4), while winter months November and December drop back to low levels. Visitors and residents should be particularly vigilant during May through September, using sunscreen and protective clothing to minimize harmful effects during these high-risk months.
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 |
| Varois-et-Chaignot | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 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 |