Last updated: July 2, 2025
Understanding the UV Index is essential for residents of Fort Greely, United States, where the unique Dsc climate can lead to varying UV levels throughout the year. Awareness of these levels is crucial, as they play a significant role in preventing sunburn and promoting long-term skin health. With midday UV exposure peaking at 6 around early afternoon, it’s vital to be mindful of outdoor activities and take protective measures. By staying informed about the UV Index, you can enjoy the beautiful Alaskan landscape while keeping your skin safe from harmful rays.
The UV Index throughout the day reveals an escalating trend as the sun rises, peaking at 6 between 14:00 and 15:00. Starting from a low of 1 at 07:00 and 08:00, the intensity gradually increases, reaching 5 by midday. The sun's strength continues to shine brightly at 12:00 and remains significant at 5 until 15:00, making this the most critical time for sun exposure. As the afternoon wanes, the index begins to drop, settling back to 2 by 18:00 and 19:00. This data highlights the importance of sunscreen and protective measures, especially during peak 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 | 3 | moderate | 30 min |
11:00 | 4 | moderate | 30 min |
12:00 | 5 | moderate | 30 min |
13:00 | 5 | moderate | 30 min |
14:00 | 6 | high | 25 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 |
Throughout the year, UV Index levels fluctuate significantly, indicating varying risks for sun exposure. From January to March, the UV Index remains low (1-2), allowing for safer outdoor activities with burn times of up to 45 minutes. However, as April arrives, the UV Index rises to 4, and the exposure becomes moderate, reducing burn time to 30 minutes. The high-risk months are notably July, where the UV Index reaches 6, and visitors should limit sun exposure to just 25 minutes, followed by moderate levels in May and June (UV Index 5). As the year progresses towards September and October, the index gradually declines, returning to low levels by November and December, enabling safer outdoor ventures once again. Visitors and residents are advised to monitor the UV Index regularly, especially during the high-risk months, to protect their skin and ensure safe sun exposure practices.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Fort Greely | 1 | 1 | 2 | 4 | 5 | 5 | 6 | 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 |