Last updated: August 1, 2025
Understanding the UV Index is essential for residents of Hollow Rock, United States, as it plays a crucial role in safeguarding your skin health and preventing sunburn. With a climate classified as Cfa, which features hot summers and mild winters, the region experiences varying UV exposure, particularly peaking in the midday hours. Knowing the daily UV levels helps you make informed decisions about sun protection, ensuring you enjoy the outdoors safely while minimizing the risk of skin damage. From the early morning to late afternoon, pay attention to these levels to protect yourself and your loved ones from harmful UV rays.
Today’s UV Index tells a compelling story of the sun's intensity throughout the day. Starting off gently at 1 at 7:00 AM, it gradually picks up, reaching 2 by 8:00 AM. As the day warms up, it surges to a moderate 4 by 9:00 AM and hits 6 at 10:00 AM. The sun shines fiercest at 12:00 PM, where the UV Index peaks at an impressive 10, nudging even higher to 11 at 1:00 PM. After lunchtime, we see a steady decline: it dips to 10 at 2:00 PM, falls to 8 by 3:00 PM, and continues its descent to 5 at 4:00 PM. As evening approaches, the index drops significantly, ending the day with a cozy 1 by 7:00 PM. Remember to take precautions during the peak hours for skin safety!
| 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 | 6 | high | 25 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index varies significantly, with high-risk months occurring primarily from April to August, where the index reaches extreme levels of 10-11. During these months, the recommended burn time drastically decreases, dropping to as low as 10 minutes of unprotected sun exposure. Visitors and residents are advised to take extra precautions during these high UV Index periods by wearing protective clothing, applying sunscreen with a high SPF, and seeking shade during peak hours (10 AM to 4 PM). As the UV Index returns to moderate levels in January, November, and December, the risk of skin damage decreases, but sun safety remains essential year-round.
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 |
| Hollow Rock | 3 | 6 | 7 | 10 | 11 | 11 | 11 | 10 | 9 | 7 | 5 | 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 |