Last updated: August 1, 2025
In Clewiston, United States, understanding the UV Index is crucial for protecting your skin and overall health. With its warm, sunny climate, residents and visitors alike face varying levels of ultraviolet (UV) radiation throughout the day, especially peaking between 11 AM and 2 PM when values can soar to 12—a level considered extreme. Awareness of UV levels is essential for preventing sunburn and long-term skin damage, allowing you to enjoy the beautiful Florida outdoors while prioritizing your health. Stay informed and protect your skin as you soak in Clewiston's sunshine!
As the sun rises, the UV Index starts off low at a manageable 1 from 07:00 to 08:00. However, things heat up quickly as we move into the late morning; by 10:00, it spikes to 5, reaching 8 at 11:00. The peak intensity occurs at 12:00, with an impressive index of 11, closely followed by 12 at 13:00 and 14:00—the sun is at its strongest! A gradual decrease follows, dropping to 10 by 15:00 and continuing down to 4 at 17:00. As the day winds down, the index relaxes further to 2 at 18:00 and returns to a safe 1 by 19:00. It's clear that today's UV risk peaks around midday, so remember to stay protected during those exposed 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 | 5 | moderate | 30 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 10 | very high | 15 min |
| 16:00 | 7 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, seasonal changes in UV exposure reflect significant shifts in the UV Index. From January to March, the UV Index rises from a high level of 6 to a very high 10, indicating a growing risk for skin damage. The months of April through September present the most critical danger, characterized by an extreme UV Index of 12, where the burn time diminishes to just 10 minutes. Following this peak, October sees a drop to 10 (very high), before conditions moderate in November and December, with indexes falling to 7 and 5, respectively. Visitors and residents are advised to take precautions during high-risk months, particularly from April to September. It is essential to limit sun exposure, wear protective clothing, apply sunscreen regularly, and seek shade to safeguard against skin damage during these periods of heightened UV intensity.
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 |
| 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 |
| Clewiston | 6 | 9 | 10 | 12 | 12 | 12 | 12 | 12 | 11 | 10 | 7 | 5 |