Last updated: July 2, 2025
In Carleton, United States, understanding the UV Index is crucial for safeguarding your skin and overall health. With its Dfa climate, residents face higher UV exposure, particularly during the peak hours of 11 AM to 3 PM when the index can soar to a maximum of 10. By staying informed about UV levels, you can take proactive steps to prevent sunburn and reduce the risk of long-term skin damage. As outdoor activities become more prevalent, being aware of the UV Index can help you enjoy the sunshine safely while prioritizing your well-being.
The UV Index throughout the day presents a dynamic portrait of solar intensity. Early morning hours from 7:00 to 8:00 maintain a gentle glow with a consistent level of 1, suggesting low sun exposure risk. As the day progresses, a noticeable shift occurs; by 9:00, the index climbs to 3, marking the onset of stronger rays. The peak is reached at 1:00 PM and 2:00 PM, where the UV Index soars to an intense 10, indicating very high exposure risk, making sun protection vital. Post-peak, from 3:00 PM onward, the index gradually declines, settling to 5 by 5:00 PM and dwindling further to low levels of 1 by 7:00 PM. This data underscores the importance of being sun-smart during those midday hours when UV radiation is strongest.
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 | 4 | 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 | 5 | moderate | 30 min |
18:00 | 3 | moderate | 30 min |
19:00 | 1 | low | 45 min |
The UV Index experiences significant fluctuations throughout the year, with high-risk months primarily occurring from April to September. During this period, UV levels reach their peak, particularly in June and July, where the index consistently measures 10, indicating a very high exposure category and a burn time of just 15 minutes. In contrast, the UV Index is at its lowest in January and December (index of 2), categorized as low, allowing for a safer exposure time of 45 minutes. Visitors and residents are advised to take appropriate precautions during high-risk months, including wearing protective clothing, using sunscreen, and seeking shade, especially during the midday hours when the sun's rays are the strongest.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Carleton | 2 | 5 | 5 | 9 | 9 | 10 | 10 | 9 | 8 | 6 | 4 | 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 |