Last updated: June 2, 2025
In Big Delta, United States, being aware of the UV Index is crucial for protecting your skin and maintaining overall health. With a climate classified as Dfc, residents often experience changing weather patterns that can affect UV exposure throughout the year. Understanding UV levels not only helps prevent painful sunburns, but also reduces the long-term risk of skin damage and skin cancer. On sunny days, particularly during midday hours when the UV Index peaks at levels reaching 5, it's vital to take precautions like wearing sunscreen and protective clothing to ensure safe outdoor activities. Stay informed and enjoy the beautiful Alaskan outdoors while keeping your skin safe!
The UV Index for the day showcases a steady climb in intensity as the sun rises. Starting from a mild level of 1 at 07:00, it gradually ascends to moderate readings of 2 by 08:00 and 09:00. As the hours pass, the UV Index peaks at 5 from 12:00 to 14:00, indicating a time when sun protection is crucial. After 14:00, the index begins its gentle decline, finishing the day back at a more manageable 2 by 19:00. Be mindful of the midday sun—it's the best time to wear sunscreen and seek shade for protection!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 2 | low | 45 min |
09:00 | 2 | low | 45 min |
10:00 | 3 | moderate | 30 min |
11:00 | 4 | moderate | 30 min |
12:00 | 5 | moderate | 30 min |
13:00 | 5 | moderate | 30 min |
14:00 | 5 | moderate | 30 min |
15:00 | 5 | moderate | 30 min |
16:00 | 4 | moderate | 30 min |
17:00 | 3 | moderate | 30 min |
18:00 | 2 | low | 45 min |
19:00 | 2 | low | 45 min |
The seasonal UV changes present a clear pattern, with the highest UV Index values occurring during the summer months of April through September. Specifically, April to August see UV levels peaking at 5, categorized as moderate exposure risk, with a suggested burn time of just 30 minutes. In contrast, the winter months of December through February exhibit a much lower UV Index of 1, indicating a low risk for exposure with a burn time of 45 minutes. Based on this data, high-risk months for UV exposure are April through August. Visitors and residents are advised to take proper precautions during these months, including wearing sunscreen, protective clothing, and seeking shade during peak sunlight hours to minimize the risk of skin damage.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Big Delta | 1 | 1 | 2 | 4 | 5 | 5 | 5 | 5 | 3 | 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 |