Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Avilla, United States, where the climate can lead to significant exposure to ultraviolet radiation, especially during the summer months. As UV levels fluctuate throughout the day—peaking at an index of 10 from noon to 2 PM—awareness of these levels plays a vital role in preventing sunburn and protecting skin health. With peak indices indicating severe risk of harm from unprotected sun exposure, staying informed can help you enjoy the beautiful weather while safeguarding your skin against long-term damage. Remember, even when the temperature feels mild, UV rays can be strong, making it essential to check the UV Index regularly for your safety and well-being.
As the sun rises, the UV Index begins to climb, starting at a gentle 1 at 7:00 AM and remaining steady through 8:00 AM. By 9:00 AM, it nudges up to 2, but as the day progresses, the intensity skyrockets. At 10:00 AM, it hits 4, and by midday, the UV Index soars to a peak of 10 at both 1:00 PM and 2:00 PM—a clear indication to seek shade and wear sunscreen. After this peak, it gradually dips to 9 by 3:00 PM, continuing its descent to 5 at 5:00 PM, and finally, the UV levels soften to 1 as evening falls at 7:00 PM. This day exemplifies the sun's potent rays, reminding us to stay vigilant during those peak 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 | 4 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 10 | very high | 15 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 |
Throughout the year, the UV Index experiences significant fluctuations, with the highest levels occurring during the summer months. High-risk months for UV exposure include April through September, when the UV Index reaches very high levels of 9 or 10, significantly reducing the safe burn time to just 15 minutes. Visitors and residents are strongly advised to take precautions during these months, including wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during peak sun hours. Conversely, the winter months of December and January present lower UV risks, with indices of 2 and 3, allowing for safer exposure times of 30 to 45 minutes. Overall, awareness of seasonal changes in UV levels is crucial for protecting skin health throughout the year.
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 |
| Avilla | 3 | 5 | 6 | 9 | 9 | 10 | 10 | 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 |