Last updated: July 2, 2025
Understanding the UV Index is essential for residents of Flandreau, United States, as it plays a crucial role in protecting skin health and preventing sunburn. With a climate characterized by Dfa conditions, Flandreau experiences varying UV exposure levels throughout the day, peaking at 10 between 1 PM and 2 PM. This makes it particularly important to be vigilant during those hours. By staying informed about the UV Index, you can take proactive steps to safeguard your skin from harmful rays while enjoying the great outdoors.
The UV index begins its ascent at 07:00, starting at a gentle 1, then climbs gradually through the morning. By 10:00, it reaches a moderate 5, but from 11:00 onwards, the sun's intensity becomes pronounced, peaking at an impressive 10 between 13:00 and 14:00. After this zenith, the index dips to 8 at 15:00 and continues its decline, settling back to 2 by 18:00. As the day winds down into the evening, the UV index drops to a low 1 by 19:00, signaling a return to safer sun exposure levels. Enjoy the sunshine while staying protected during the high points!
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 | 7 | high | 25 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, the UV Index exhibits notable seasonal variations, with high-risk months primarily occurring from March to September. During this period, particularly in June with an extreme UV Index of 11 and April to August, which consistently sees values between 8 and 10, individuals are at increased risk of sunburn with burn times decreasing to as little as 10 minutes. Conversely, the winter months of December and January reflect a lower UV Index, ranging from 2 to 3, providing a safer environment for sun exposure with burn times extending up to 45 minutes. It is advisable for visitors and residents to take protective measures during the high-risk months, including wearing sunscreen, protective clothing, and seeking shade, especially during peak sun hours.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Flandreau | 3 | 5 | 6 | 8 | 9 | 11 | 10 | 9 | 8 | 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 |