Last updated: May 3, 2025
In Redfield, United States, being aware of the UV Index is essential for protecting your skin from harmful UV rays. With summer temperatures and sunny days typical for this Dfb climate zone, understanding UV levels becomes crucial for preventing sunburn and maintaining skin health. During peak hours, especially between 10 AM and 2 PM, the UV Index can soar to 9, indicating a high risk for skin damage. By keeping track of the UV Index, you can take proactive measures to enjoy the outdoors safely and protect your skin from long-term effects.
The UV Index throughout the day presents a clear pattern of intensity, peaking at midday. Starting from a mild level of 1 at 07:00, the index rises steadily, reaching 2 by 08:00. The real surge occurs between 09:00 and 13:00, where it escalates from 4 to a striking 9—the highest point of the day. As the afternoon unfolds, the intensity slightly declines to 7 at 15:00, before tapering off to 5 at 16:00. The evening sees a further decrease, settling back to 2 by 18:00 and returning to 1 at 19:00. For those enjoying outdoor activities, it’s essential to take precautions, especially during the peak hours from 11:00 to 14:00 when the UV rays are most potent.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 2 | low | 45 min |
09:00 | 4 | moderate | 30 min |
10:00 | 6 | high | 25 min |
11:00 | 8 | very high | 15 min |
12:00 | 9 | very high | 15 min |
13:00 | 9 | 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 | 2 | low | 45 min |
19:00 | 1 | low | 45 min |
Throughout the year, the UV Index exhibits significant seasonal variation, with the highest levels occurring in late spring and summer months. Notably, April to August are identified as high-risk months, where the UV Index peaks at 10 in June and remains at 9 in both July and August, indicating very high exposure and requiring a burn time of only 15 minutes. In contrast, the winter months of January, February, and December show lower UV levels, with a moderate index of 3 and 2 respectively, allowing for longer exposure times without severe risk of burns. Visitors and residents are advised to adopt protective measures during high-risk months, such as applying sunscreen, wearing protective clothing, and seeking shade, to minimize the risk of overexposure.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Redfield | 3 | 4 | 6 | 8 | 9 | 10 | 9 | 9 | 7 | 5 | 3 | 2 |
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 |