Last updated: June 2, 2025
Understanding the UV Index is essential for residents and visitors of Villers-Semeuse, France, as it provides crucial information about the strength of ultraviolet radiation and helps in making informed decisions about sun safety. With rising UV levels, particularly peaking at 8 during midday hours, awareness is vital for preventing sunburn and safeguarding long-term skin health. Villers-Semeuse enjoys a temperate oceanic climate (Cfb), which means that UV exposure can vary, but the risks are present year-round. Staying informed about the daily UV Index can help you enjoy the sun safely while protecting yourself and your loved ones from harmful effects.
The UV Index experience throughout the day reveals a notable pattern of intensity, peaking at 12:00 PM with a remarkable value of 8. As the morning unfolds, the index starts low, recording a mere 1 in the early hours at 7:00 AM and 8:00 AM. A gradual rise occurs, reaching 3 by 9:00 AM, then experiencing a significant jump to 4 at 10:00 AM. The sun reaches its zenith at 11:00 AM, as the UV Index escalates to 6 before hitting its highest points of 8 between 12:00 PM and 2:00 PM. Post-peak, the index gently declines, closing out the afternoon at 4 by 5:00 PM, and finally tapering off to 2 by 7:00 PM. This data underscores the importance of UV protection during the midday hours when the sun's rays are the most potent.
| 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 | 8 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 2 | low | 45 min |
As the seasons change, so do UV levels, significantly impacting safety for visitors and residents. January has a low UV Index of 2, with a burn time of 45 minutes, while February and March see a moderate increase to 3 and 4, respectively, indicating a burn time of 30 minutes. Moving into April, the UV Index rises to 6 (high), compressing burn time to 25 minutes. The high-risk months of May through August present a very high UV Index of 8, where skin can burn in as little as 15 minutes. A moderate drop occurs in September (UV Index 6), followed by October with a UV Index of 4 before returning to low levels in November and December. Visitors and residents are strongly advised to take protective measures during May to August, such as wearing sunscreen, long sleeves, and sunglasses, as exposure during these months can pose serious risks to skin health.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Villers-Semeuse | 2 | 3 | 4 | 6 | 8 | 8 | 8 | 8 | 6 | 4 | 2 | 1 |
| 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 |