Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Walker, United States, where the climate often brings prolonged sun exposure to outdoor enthusiasts. With UV levels peaking at a significant 12 around noon, being aware of the risks is essential for preventing sunburn and maintaining long-term skin health. With Walker's mild yet sunny climate, awareness of these UV levels helps residents and visitors safeguard their skin and enjoy the outdoors safely—making UV Index knowledge a key component of wellness in this picturesque locale.
The UV Index over the course of the day reveals a striking pattern of intensity. In the early hours, from 07:00 to 09:00, the index remains notably low, peaking at only 2 by 08:00. However, as the day progresses, it surges to a remarkable 12 at 12:00, indicating a high risk of harm from unprotected sun exposure. The peak UV intensity reaches its zenith at 13:00 with an index of 13. Following this peak, there’s a gradual decline; by 16:00, the index drops to 7 and continues to wane, ultimately returning to a gentle 1 by 19:00. This data highlights the importance of sun protection, especially during the midday hours when UV exposure is at its highest.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 2 | low | 45 min |
09:00 | 5 | moderate | 30 min |
10:00 | 8 | very high | 15 min |
11:00 | 11 | extreme | 10 min |
12:00 | 12 | extreme | 10 min |
13:00 | 13 | extreme | 10 min |
14:00 | 12 | extreme | 10 min |
15:00 | 10 | very high | 15 min |
16:00 | 7 | 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 levels exhibit significant seasonal variation, peaking during the summer months. High-risk months for sun exposure are March through August, where the UV Index reaches very high to extreme levels, particularly in April, May, June, and July, with a consistent index of 13 and a burn time of just 10 minutes. Residents and visitors should be especially vigilant during these months, taking precautions such as wearing protective clothing, using broad-spectrum sunscreen, and seeking shade whenever possible. As fall approaches, the UV Index gradually decreases, but visitors should remain cautious in September and October when levels still indicate a high risk. In contrast, January, December, and November are periods of lower UV exposure, categorized as moderate to high, allowing for somewhat safer outdoor activities.
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 |
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 |
Walker | 4 | 6 | 10 | 12 | 13 | 13 | 13 | 12 | 10 | 7 | 6 | 4 |