Last updated: June 2, 2025
In Corsica, United States, understanding the UV Index is crucial for safeguarding your skin health and preventing sunburn. With the region's Dfa climate, residents and visitors alike face varying UV exposure risks throughout the day. During peak hours—typically from 11 AM to 2 PM—the UV Index can soar to 11, indicating a very high risk of harm from unprotected sun exposure. By staying informed about UV levels, you can take proactive steps to protect yourself and your loved ones, ensuring that your time outdoors remains enjoyable and safe.
The UV Index throughout the day reveals a notable trend, starting at a calm 1 at 7:00 AM and gradually climbing to its peak of 11 during the peak afternoon hours of 1:00 PM and 2:00 PM. As the sun climbs higher in the sky, the intensity of ultraviolet radiation increases, reaching a sharp rise to 10 by noon, signaling caution for outdoor activities. After the early afternoon, the index begins to decline, drifting down to 5 by 5:00 PM and tapering off to a gentle 1 by 7:00 PM. This data highlights the importance of sun safety, particularly during the mid-day hours when UV exposure is at its strongest. Remember to wear protective clothing and sunscreen when the UV Index rises!
| 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 | 5 | moderate | 30 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 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 | 1 | low | 45 min |
As the year progresses, UV exposure levels change significantly, peaking during the summer months. January and December offer low UV exposure with a UV Index of 2, allowing for safe outdoor activities without much risk. However, from February to March, the UV Index rises to 5 and 6, indicating moderate to high risk, where one should limit sun exposure during peak hours. The high-risk months of April through August, particularly June with an extreme UV Index of 11, require vigilant sun protection—limiting time in the sun and seeking shade is essential, as burn times diminish to as low as 10 minutes. As the year winds down, UV levels fall again in October through November, making sun safety measures less critical, although a UV Index of 5 still warrants attention. Visitors and residents are advised to stay informed of daily UV levels and adopt appropriate sun safety practices, especially during peak months.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Corsica | 2 | 5 | 6 | 8 | 9 | 11 | 10 | 9 | 8 | 5 | 3 | 2 |
| Chicago UVI | 3 | 4 | 6 | 8 | 9 | 10 | 10 | 9 | 8 | 6 | 4 | 2 |
| Brooklyn UVI | 3 | 5 | 6 | 8 | 10 | 10 | 9 | 9 | 8 | 6 | 4 | 2 |
| New York City UVI | 3 | 5 | 6 | 8 | 10 | 10 | 9 | 9 | 8 | 6 | 4 | 2 |
| Los Angeles UVI | 4 | 6 | 8 | 9 | 10 | 11 | 11 | 10 | 10 | 7 | 5 | 4 |
| Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |