Last updated: June 2, 2025
In Belleville, France, being aware of the UV Index is crucial for protecting your skin and overall health. Understanding the UV levels helps you gauge the risk of sunburn and long-term skin damage, especially during those peak hours when the index can reach as high as 9. With a Cfb climate that enjoys mild summers and frequent sunshine, Belleville residents must remain vigilant about UV exposure. By staying informed about the UV Index, you can enjoy the beautiful weather while safeguarding your skin from harmful rays.
As the day unfolds, the UV Index rises to its peak, painting a vivid picture of sun intensity. At 7:00 AM, the index starts modestly at 1, making for a gentle morning. By 8:00 AM, we see a slight increase to 2, perfect for a stroll. The sun gains strength, reaching 3 by 9:00 AM and hitting 4 at 10:00 AM. It’s 11:00 AM when things heat up with a 6, leading into the midday sun, where the UV Index surges to a striking 8 at 12:00 PM. The peak occurs at 1:00 PM, with a sizzling 9, holding steady until 2:00 PM. As the afternoon progresses, the index dips gradually, dropping to 8 at 3:00 PM, then further to 6 by 4:00 PM. By 5:00 PM, it eases to 4, followed by a gentle descent to 3 at 6:00 PM. As the sun sets, the index softens to 1 by 7:00 PM, bidding farewell to a day of vibrant sun exposure. Remember to stay protected during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | 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 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index experiences significant fluctuations, with high-risk months identified primarily from April to August, where the index peaks at an alarming 9 in June. During these months, the exposure category escalates to very high, resulting in a burn time of just 15 minutes for unprotected skin. In contrast, January, November, and December have low UV levels, making sun protection less critical, with burn times extending to 45 minutes. As such, it’s essential for both visitors and residents to stay vigilant during the peak months by applying broad-spectrum sunscreen, wearing protective clothing, and seeking shade, especially between 10 AM and 4 PM, when UV rays are strongest.
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 |
| Belleville | 2 | 3 | 4 | 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 |