Last updated: August 1, 2025
In Mount Hermon, United States, staying informed about the UV Index is crucial for maintaining optimal skin health and preventing sunburn. Understanding UV levels not only helps you enjoy the sun safely but also empowers you to take necessary precautions against harmful rays. With a Cfa climate, Mount Hermon experiences variable UV exposure, peaking daily around noon when the index can soar to 10—a high risk level. By being aware of these fluctuations, you can protect yourself and your loved ones while enjoying the beautiful outdoors.
As the sun rises, the UV Index begins its gentle ascent, starting at 1 at 07:00. By 09:00, it climbs to 3, hinting at the day's potential for sun exposure. The heat peaks around 12:00, reaching a blistering 9, and hits its maximum at 13:00 and 14:00, both at a high of 10—a critical time for sun safety. As the afternoon transitions to evening, the UV Index gradually dips; by 18:00, it's down to 2, and as twilight approaches, it settles back at 1 by 19:00. Plan your outdoor activities wisely to stay safe in the sun!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index experiences significant seasonal changes, with the highest levels occurring from March to October. The high-risk months are typically March, April, May, June, July, August, September, and October, when the index reaches very high to extreme levels. Specifically, June presents the greatest risk with a UV Index of 11, indicating extreme exposure and a burn time of only 10 minutes. During these months, it is crucial for both visitors and residents to take proper precautions, including wearing sunscreen, protective clothing, and sunglasses, and seeking shade during peak hours (10 a.m. to 4 p.m.). In contrast, the months of January, February, November, and December have a moderate exposure category, allowing for longer burn times of 30 minutes. Awareness of these fluctuations can help everyone enjoy outdoor activities safely.
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 |
| Mount Hermon | 3 | 6 | 8 | 9 | 10 | 11 | 10 | 10 | 9 | 8 | 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 |