Last updated: July 2, 2025
In Loa, United States, the UV Index plays a crucial role in helping residents and visitors stay informed about harmful solar radiation levels throughout the day. Understanding UV levels is vital for preventing sunburn and maintaining overall skin health, particularly since the region's Dfb climate can lead to increased sun exposure during warmer months. With the UV Index peaking at a staggering 13 around midday, it's essential to be proactive about sun safety to protect your skin and enjoy the outdoors responsibly.
As the day unfolds, the UV Index begins its gradual ascent, starting at a modest 1 by 7:00 AM and creeping up to 2 by 8:00 AM. By 9:00 AM, it reaches 3, but the real intensity kicks in around 10:00 AM with a stark 6. The peak occurs at noon, where the index skyrockets to a blistering 11, signaling a high risk for unprotected skin. The sun's rays maintain their ferocity until 1:00 PM, with a maximum of 13, before slightly tapering off. The afternoon sees a gradual decline, with values dropping to 8 by 4:00 PM and settling to a safer 3 by 6:00 PM. As dusk approaches, the index retreats back to 1 by 7:00 PM, offering a reminder of the day’s intense solar exposure. Be sure to seek shade and protect your skin during those peak hours!
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 | 6 | high | 25 min |
11:00 | 9 | very high | 15 min |
12:00 | 11 | extreme | 10 min |
13:00 | 13 | extreme | 10 min |
14:00 | 13 | extreme | 10 min |
15:00 | 11 | extreme | 10 min |
16:00 | 8 | very high | 15 min |
17:00 | 5 | moderate | 30 min |
18:00 | 3 | moderate | 30 min |
19:00 | 1 | low | 45 min |
The seasonal UV Index varies significantly throughout the year, with high-risk months predominantly occurring from March to August. The UV Index peaks in July, reaching a remarkable 13, while April and May also present extreme risk with indices of 11 and 12, respectively. Visitors and residents should exercise extra caution during these months, minimizing sun exposure and using protective measures like sunscreen or clothing. As January and December offer lower risk with a moderate exposure category and longer burn times, individuals should still remain vigilant year-round, particularly in the spring and summer.
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 |
Loa | 4 | 7 | 9 | 11 | 12 | 12 | 13 | 12 | 10 | 7 | 6 | 4 |
Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |