Last updated: June 2, 2025
In Brilliant, United States, awareness of the UV Index is crucial for maintaining skin health and preventing sunburn. With the area's Cfa climate, residents experience a fair amount of sunshine, and understanding UV levels can significantly reduce the risk of harmful exposure. During peak hours, particularly between 10 AM and 2 PM when the UV Index can soar to 11, it’s essential to take protective measures. By staying informed about local UV ratings, you can enjoy the outdoors safely while keeping your skin protected from potential damage.
The UV Index for the day presents a fascinating variation as the sun climbs higher in the sky. Starting from a gentle 1 at 07:00, the intensity gradually escalates, reaching a moderate 4 by 09:00. The peak hits at 12:00 and 13:00, soaring to an intense 11, indicating a significant risk of harm from unprotected sun exposure. As the afternoon unfolds, the index begins to decline, tapering to 8 at 15:00, and by the evening, it plummets back to a 1 by 18:00. This data serves as a reminder to stay vigilant about sun safety during those peak 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 | 4 | moderate | 30 min |
10:00 | 7 | high | 25 min |
11:00 | 9 | very high | 15 min |
12:00 | 11 | extreme | 10 min |
13:00 | 11 | extreme | 10 min |
14:00 | 10 | very high | 15 min |
15:00 | 8 | very high | 15 min |
16:00 | 5 | moderate | 30 min |
17:00 | 3 | moderate | 30 min |
18:00 | 1 | low | 45 min |
19:00 | 1 | low | 45 min |
Throughout the year, UV levels fluctuate significantly, with high-risk months occurring between March and September. During this period, the UV Index reaches its peak, particularly in May, June, July, and August, where it consistently ranks as 11, falling into the extreme exposure category and resulting in a quick burn time of only 10 minutes. As such, visitors and residents are strongly advised to take precautions by wearing protective clothing, applying sunscreen with a high SPF, and seeking shade during peak sun hours. The months of February and October present a moderate to high risk with UV Index values of 7, highlighting the importance of sun safety even during transitional seasons. With January, November, and December showing lower UV levels, the risk is reduced, but it’s still prudent to remain cautious.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
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 |
Brilliant | 4 | 7 | 8 | 10 | 11 | 11 | 11 | 11 | 9 | 7 | 5 | 4 |
Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |