Last updated: July 2, 2025
Understanding the UV Index is essential for residents and visitors in Yakutat, Alaska, where the unique Dfc climate can lead to varying UV exposure levels throughout the day. Monitoring these UV levels is crucial for preventing sunburn and maintaining overall skin health, especially since prolonged exposure, even at lower indices, can be harmful. With maximum UV levels peaking around midday at 7, it's important to stay informed and take precautions, particularly during the summer months when Yakutat sees increased sunlight and potential UV risks.
As the day unfolds, the UV Index rises steadily, peaking at 7 around 1 PM, signaling the strongest sun exposure. Early risers will notice a gentle start, with 1 at 7 AM, gradually escalating to 2 by 8 AM. By 10 AM, the index reaches 4, and by noon, it hits a moderate 6—a clear reminder to apply sunscreen. The heat is felt most intensely between noon and 1 PM, as the UV levels peak. After this zenith, the index begins to decline, dropping back to 4 by 4 PM before tapering to 1 by 7 PM. Overall, it's a day where sun safety is paramount, especially during those peak hours!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 2 | low | 45 min |
09:00 | 3 | moderate | 30 min |
10:00 | 4 | moderate | 30 min |
11:00 | 5 | moderate | 30 min |
12:00 | 6 | high | 25 min |
13:00 | 7 | high | 25 min |
14:00 | 6 | high | 25 min |
15:00 | 6 | high | 25 min |
16:00 | 4 | moderate | 30 min |
17:00 | 3 | moderate | 30 min |
18:00 | 2 | low | 45 min |
19:00 | 1 | low | 45 min |
The UV Index shows a clear seasonal variation, with exposure levels peaking during the warmer months. High-risk months for UV exposure occur from May to August, with indices reaching 6 to 7 and burn times as short as 25 minutes. March and April see moderate levels of UV at indices 3 and 4, while the rest of the year, from October to February, presents low UV exposure with longer burn times of up to 45 minutes. Visitors and residents are advised to take extra precautions during the high-risk months by using sunscreen, wearing protective clothing, and seeking shade, especially during peak sunlight hours. Maintaining awareness of the UV Index can help ensure enjoyable and safe outdoor activities year-round.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Yakutat | 1 | 2 | 3 | 4 | 6 | 6 | 7 | 6 | 4 | 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 |