Last updated: July 2, 2025
In the picturesque Lakes region of the United States, understanding the UV Index is crucial for both locals and visitors alike. With the potential for high UV exposure, particularly during the midday hours, being aware of these levels can help prevent sunburn and protect your skin health. The region's Dfc climate, characterized by its distinct seasonal variations, can lead to fluctuating UV radiation levels, making it essential to stay informed. Whether you're enjoying a sunny day by the water or engaging in outdoor activities, keeping an eye on the UV Index will empower you to enjoy the beauty of nature safely.
At dawn, the UV Index begins its ascent, peaking at 1 by 7:00 AM. As the sun rises higher, it gently climbs to 2 by 9:00 AM, but the real intensity arrives at midday. By 12:00 PM, the index reaches 6, and it continues to soar to its maximum of 7 at 1:00 PM and 2:00 PM. As the afternoon progresses, the UV levels gradually taper off, descending to 5 by 4:00 PM and finally settling back to 2 by 7:00 PM. This data highlights the importance of sun protection during peak hours, particularly between 11:00 AM and 3:00 PM, when the UV exposure is most potent.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 1 | low | 45 min |
09:00 | 2 | low | 45 min |
10:00 | 3 | moderate | 30 min |
11:00 | 4 | moderate | 30 min |
12:00 | 6 | high | 25 min |
13:00 | 7 | high | 25 min |
14:00 | 7 | high | 25 min |
15:00 | 6 | high | 25 min |
16:00 | 5 | moderate | 30 min |
17:00 | 4 | moderate | 30 min |
18:00 | 3 | moderate | 30 min |
19:00 | 2 | low | 45 min |
Throughout the year, seasonal UV changes indicate varying levels of sun exposure risk. From January to February, the UV Index remains low (1), allowing for a safe exposure time of up to 45 minutes. As we transition into March, the index rises to 3, indicating a moderate risk, reducing the safe exposure time to 30 minutes. The risk peaks in May through July with high UV levels (6 and 7), necessitating an exposure limit of just 25 minutes. In August and September, the index returns to moderate levels (5 and 4), allowing for a 30-minute burn time again. As the year concludes, October through December sees a return to low UV levels (1-2), with a safe exposure limit of 45 minutes. Residents and visitors should be particularly cautious during the high-risk months of May, June, and July, applying sunscreen and seeking shade to mitigate potential sun damage.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Lakes | 1 | 1 | 3 | 4 | 6 | 6 | 7 | 5 | 4 | 2 | 1 | 1 |
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 |