Last updated: June 2, 2025
In Racine, United States, understanding the UV Index is crucial for protecting your skin and overall health. With summer temperatures and sunny days typical of the Cfa climate, UV levels can soar, especially between 10 AM and 2 PM, when they peak at a significant 10. By being aware of these levels, you can effectively prevent sunburn and reduce the long-term risks associated with skin damage. So, whether you’re enjoying the outdoors or simply running errands, knowing the UV Index empowers you to take necessary precautions for a healthier lifestyle under the sun.
The UV Index chart reveals a dynamic daily pattern of solar intensity. Starting early in the day, the UV Index remains low, peaking at 1 by 08:00. However, as the sun reaches its zenith, the index surges dramatically—hitting 7 by 11:00 and soaring to a maximum of 10 between 13:00 and 14:00. This signals a critical window for sun exposure, where protection is essential. As the afternoon progresses, the UV levels begin to decline, dropping to 4 by 17:00, before tapering off to 1 again by evening. To stay safe, it's vital to be cautious during those peak hours!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 1 | 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 | 9 | 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, the UV Index exhibits significant seasonal fluctuations, with the highest levels occurring during the summer months. From March to September, the UV index reaches high to very high levels, peaking in May, June, and July at an index of 10, indicating a burn time of just 15 minutes. April also sees very high exposure with an index of 9. The months of March and October feature higher indexes of 7 and 6 respectively, classified as high, while the winter months of January, February, November, and December are categorized as moderate with indexes ranging from 3 to 5, allowing for longer exposure times of 30 minutes. Therefore, residents and visitors are advised to exercise extra caution during the high-risk months of April to September by using sunscreen, wearing protective clothing, and seeking shade, particularly during peak sun hours, to minimize the risk of skin damage.
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 |
Racine | 3 | 5 | 7 | 9 | 10 | 10 | 10 | 9 | 8 | 6 | 5 | 3 |
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 |