Last updated: July 2, 2025
Understanding the UV Index in McNary, United States is crucial for protecting your skin and overall health. As the sun's rays can have significant effects, being aware of UV levels helps you prevent sunburn and long-term skin damage. With McNary's mild, temperate climate, UV exposure can peak significantly during the day, with levels reaching as high as 13 around noon. By staying informed about the UV Index, you can enjoy the beautiful outdoors while taking essential precautions to safeguard your skin.
At dawn, the UV Index starts low at 2 by 7:00 AM, gradually climbing to 3 by 8:00 AM. As the sun rises higher, the intensity surges, peaking at 13 around 12:00 PM, revealing its strongest impact during the midday hours. From 11:00 AM to 1:00 PM, sunscreen becomes a must as the UV index remains elevated, showcasing values of 12 and 13. As the afternoon progresses, the intensity begins to decline, dropping to 8 by 3:00 PM, and further easing to a mild 2 by 5:00 PM as the sun sets. By the evening, with values at 1 for both 6:00 PM and 7:00 PM, the day wraps up—ideal for outdoor activities without the worry of UV exposure.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 2 | low | 45 min |
08:00 | 3 | moderate | 30 min |
09:00 | 6 | high | 25 min |
10:00 | 9 | very high | 15 min |
11:00 | 12 | extreme | 10 min |
12:00 | 13 | extreme | 10 min |
13:00 | 12 | extreme | 10 min |
14:00 | 11 | extreme | 10 min |
15:00 | 8 | very high | 15 min |
16:00 | 5 | moderate | 30 min |
17:00 | 2 | low | 45 min |
18:00 | 1 | low | 45 min |
19:00 | 1 | low | 45 min |
Throughout the year, UV exposure varies significantly, with the highest risk months occurring from March to September, when the UV Index reaches extreme levels of 11 to 13 and the burn time drops to as low as 10 minutes. Visitors and residents should be especially cautious during these months, taking proactive measures to protect themselves from harmful UV radiation. In February and October, the UV Index remains very high, with burn times of 15 minutes, indicating a need for sun safety awareness. Conversely, January, November, and December feature moderate to high UV levels, where the burn times are longer at 30 and 25 minutes, but precautions should still be considered. Overall, it is crucial to monitor UV levels regularly and adopt protective practices, such as wearing sunscreen, protective clothing, and seeking shade, especially during peak UV hours from 10 a.m. to 4 p.m..
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 |
McNary | 5 | 8 | 11 | 12 | 13 | 13 | 13 | 12 | 11 | 8 | 6 | 5 |