Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Clay City, United States, where the climate features warm summers that can lead to elevated UV exposure. These levels fluctuate throughout the day, peaking around noon with an index reaching 11, indicating a high risk of harm from unprotected sun exposure. Awareness of UV levels not only helps prevent painful sunburns but also plays a vital role in maintaining long-term skin health. With typical UV exposure risks heightened in this climate, especially during the sun's peak hours from 10 AM to 2 PM, it's essential for the community to stay informed and take protective measures.
The UV Index throughout the day reveals a dramatic rise in solar intensity. Starting at a mild 1 at 07:00, it climbs steadily, reaching 2 by 08:00. The real spike occurs as the sun climbs higher, with the index jumping to 4 at 09:00, before peaking at a striking 11 by 13:00—the highest risk of the day. After this peak, the UV levels gradually taper off, dropping to 8 at 15:00, and settling to a gentle 2 by 18:00. Remember to don that sunscreen during the midday hours to protect your skin from the sun’s powerful rays!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index reflects significant seasonal changes that affect sun exposure safety for both visitors and residents. From January to February, the UV levels remain moderate (3 to 5), allowing for a burn time of up to 30 minutes. A marked increase occurs in March, where the index rises to 7 (high exposure), reducing burn time to 25 minutes. The most critical months for UV exposure are April and May, with indices of 9 and 11, categorized as very high and extreme, where burn times drop to just 15 and 10 minutes respectively. June maintains this extreme risk, followed closely by a slight decrease in July (index of 10) and a resurgence in August and September (both at 9). October marks a return to high exposure (6), with burn times returning to 25 minutes, before descending back to moderate levels in November and December. Visitors and residents should be especially vigilant during April through September, utilizing appropriate sun protection measures, such as sunscreen, hats, and seeking shade, to minimize the risk of UV-related health issues.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| Clay City | 3 | 5 | 7 | 9 | 11 | 11 | 10 | 9 | 9 | 6 | 4 | 3 |
| 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 |