Last updated: June 2, 2025
Understanding the UV Index is essential for residents of Hamilton, United States, as it plays a crucial role in protecting your skin from harmful sun exposure. With UV levels reaching as high as 11 around noon, being aware of these fluctuations can help prevent sunburn and long-term skin health issues. Hamilton's Cfa climate features warm summers and varying UV exposure risks, making it vital to stay informed about daily UV levels. By monitoring the UV Index, you can enjoy the sunshine while keeping your skin safe and healthy.
The UV Index today presents a dynamic profile, beginning at a calm 1 by 07:00 and remaining low until it reaches 2 by 09:00. The real action starts around 10:00, where the index jumps to 5, setting the stage for peak sunlight. By 12:00, the index soars to a significant 9, creating a strong midday sun that only intensifies, peaking at an impressive 11 between 13:00 and 14:00. As the afternoon progresses, the intensity starts to wane, dipping to 9 at 15:00, then 7 by 16:00, and gradually easing to a gentle 3 as evening approaches. By 19:00, the index falls back to 1, indicating a safe time to enjoy the sunset. Remember to protect your skin during the highest UV exposure hours!
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 | 5 | moderate | 30 min |
11:00 | 7 | high | 25 min |
12:00 | 9 | very high | 15 min |
13:00 | 11 | extreme | 10 min |
14:00 | 11 | extreme | 10 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 |
Throughout the year, UV Index levels exhibit noteworthy seasonal changes, with high-risk months identified from March to August, when exposure reaches very high or extreme levels. In March and April, the UV Index peaks at 9 and 10, respectively, indicating a transition into the more hazardous summer months. May through August experience the highest UV Index of 11, categorized as extreme, which necessitates diligent sun protection within a burn time of just 10 minutes. As September and October arrive, UV levels remain considerable, with a very high index of 9 and 8, and slowly tapering off towards the end of the year. It is crucial for both visitors and residents to take appropriate precautions during these months, such as wearing sunscreen, protective clothing, and seeking shade during peak hours to minimize the risk of UV-related 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 |
Los Angeles UVI | 4 | 6 | 8 | 9 | 10 | 11 | 11 | 10 | 10 | 7 | 5 | 4 |
Hamilton | 4 | 7 | 9 | 10 | 11 | 11 | 11 | 11 | 9 | 8 | 6 | 4 |
Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |