Last updated: July 2, 2025
Understanding the UV Index is essential for residents of Marquette, United States, as it plays a crucial role in sunburn prevention and overall skin health. With high UV exposure typically seen during the summer months, being aware of UV levels helps you protect yourself from harmful rays that can lead to skin damage and increased cancer risk. Marquette's Dfb climate, characterized by warm summers and cold winters, presents varying UV risks throughout the year, making it important to stay informed about daily UV Index values. For instance, during peak hours of sunlight, the UV Index can soar, reaching levels as high as 9, necessitating protective measures to enjoy the sun safely.
The UV Index data reveals a dynamic shift throughout the day, peaking at 9 between 1:00 PM and 2:00 PM, indicating high levels of solar radiation. The morning starts off gently, with values at 1 from 7:00 AM to 9:00 AM, gradually climbing to a moderate 4 by 10:00 AM. As the day progresses, the index escalates sharply, reaching a notable 6 by 11:00 AM and hitting 7 at noon. Following the peak, the UV intensity begins to decline, dipping to 5 by 5:00 PM and further to 2 as the sun sets. Stay protected during peak hours, especially between noon and 2 PM, to avoid harmful UV exposure!
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 | 4 | moderate | 30 min |
11:00 | 6 | high | 25 min |
12:00 | 7 | high | 25 min |
13:00 | 9 | very high | 15 min |
14:00 | 9 | very high | 15 min |
15:00 | 8 | very high | 15 min |
16:00 | 7 | high | 25 min |
17:00 | 5 | moderate | 30 min |
18:00 | 3 | moderate | 30 min |
19:00 | 2 | low | 45 min |
Throughout the year, the UV Index experiences notable seasonal changes, with significant increases from late winter into summer. January sees a low UV Index of 2, indicating minimal risk, while February and March rise to 4 and 5, respectively, where exposure becomes moderate. April marks the onset of high-risk periods with a UV Index of 7, peaking in May and June at 8 and 9, categorized as very high. This trend continues into July and August, where protective measures are essential due to the same high values of 9 and 8. By September, the UV Index decreases to 7, signaling a return to high risk but gradually moderating through October (5) and November (3) before dropping back to low levels in December. Visitors and residents are strongly advised to prioritize sun protection during the months of May through September, when the potential for skin damage is greatest, using protective clothing, sunscreen, and seeking shade during peak hours.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Marquette | 2 | 4 | 5 | 7 | 8 | 9 | 9 | 8 | 7 | 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 |