Last updated: May 3, 2025
Understanding the UV Index in Blair, United States is crucial for maintaining skin health and preventing sunburn, especially during the sunnier months. With a Dfb climate characterized by warm summers and cold winters, Blair residents face varying levels of UV exposure throughout the year. During peak hours, the UV Index can reach highs of 8, signaling a moderate to high risk of harm from unprotected sun exposure. By staying informed about daily UV levels, you can take proactive steps to protect yourself and enjoy the great outdoors safely.
As the sun rises, the UV Index begins its ascent, starting at a mere 1 at 7:00 AM. By 8:00 AM, it climbs to 2, but it’s by 9:00 AM that we see a moderate rise to 3. The intensity peaks between 11:00 AM and 1:00 PM, hitting a high of 8, indicating that sun protection methods should be in full swing. As the afternoon progresses, values slightly decrease, with the UV Index dropping to 6 by 3:00 PM and then gradually retreating to 1 by 7:00 PM. This hourly data serves as a reminder to stay vigilant about sun safety during the mid-day hours when UV exposure is at its highest.
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 | 5 | moderate | 30 min |
11:00 | 7 | high | 25 min |
12:00 | 8 | very high | 15 min |
13:00 | 8 | very high | 15 min |
14:00 | 8 | very high | 15 min |
15:00 | 6 | high | 25 min |
16:00 | 5 | moderate | 30 min |
17:00 | 3 | moderate | 30 min |
18:00 | 2 | low | 45 min |
19:00 | 1 | low | 45 min |
Throughout the year, UV Index levels exhibit significant seasonal variation, with the highest risk occurring during the summer months of April to August. In these months, the UV Index peaks at 10 in June, categorizing the exposure as very high and resulting in a rapid burn time of just 15 minutes. May and July closely follow at an index of 8 and 9 respectively, while September sees a slight reduction to 7, still categorized as high, with a burn time of 25 minutes. Conversely, the winter months of January and December showcase low UV exposure at an index of 2, with burn times extending up to 45 minutes. Visitors and residents are advised to take necessary precautions during the high-risk months by wearing protective clothing, applying sunscreen, and seeking shade to mitigate harmful UV exposure.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Blair | 2 | 4 | 5 | 8 | 8 | 10 | 9 | 9 | 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 |