Last updated: July 2, 2025
Understanding the UV Index in Scalp Level, United States, is crucial for protecting your skin and overall health. With peak UV levels reaching as high as 10 during midday hours, awareness of these measurements can significantly aid in sunburn prevention and long-term skin health. In this Cfb climate zone, where the weather is generally mild, the risks of UV exposure can easily be underestimated. Ensuring you're informed about daily UV levels is essential for enjoying the outdoors safely while minimizing potential damage from the sun's powerful rays.
The UV Index reveals a dynamic ascent and descent throughout the day, peaking with intensity during midday. Starting at a gentle 1 at 7:00 AM, it climbs steadily, reaching 10 by 1:00 PM and maintaining this highest level until 2:00 PM. This critical window indicates significant sun exposure, and it’s essential to take precautions. As the afternoon progresses, the index begins to taper off, dropping to 8 at 3:00 PM, then gradually falling to 1 by 7:00 PM. This data highlights the importance of being sun-smart during the peak hours to minimize UV exposure risks.
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 | 5 | moderate | 30 min |
11:00 | 8 | very high | 15 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, UV index levels experience notable fluctuations, with high-risk months primarily occurring from March to September. During this period, particularly in April, May, June, July, and August, the UV index reaches very high levels (9 to 10), indicating a significantly increased risk of harm from unprotected sun exposure, with a burn time as short as 15 minutes. It is crucial for both visitors and residents to take proactive measures, such as wearing sunscreen, protective clothing, and seeking shade during peak hours, especially from late spring to late summer. In contrast, the UV index drops to moderate levels in the winter months (January, February, November, and December), allowing for longer burn times of 30 minutes and a lower overall risk. Regular UV index monitoring is advisable to stay aware of risks throughout the changing seasons.
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 |
Scalp Level | 3 | 5 | 7 | 9 | 10 | 10 | 10 | 10 | 8 | 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 |