Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Oroville, United States. As sun exposure significantly impacts our skin health, staying informed about daily UV levels helps prevent sunburn and reduces the risk of long-term skin damage. Oroville, known for its Dfb climate, experiences varied UV exposure throughout the day, with peak levels reaching 9 during the early afternoon. By keeping an eye on the UV Index, you can enjoy the sun safely while protecting your skin—ensuring that your outdoor activities are both fun and responsible.
As the sun rises, the UV Index gradually climbs, starting at a gentle 1 at 07:00. By 09:00, it reaches 4, indicating it's time to take protective measures. The afternoon brings peak intensity, with the UV Index soaring to a striking 9 at noon, where it remains steady until 14:00. This strong level of UV radiation highlights the importance of sun safety during these hours. As the day progresses, the index begins to dip, settling at 5 by 16:00 and tapering off to 1 by 19:00, making the early evening hours much safer for outdoor activities. Be vigilant and protect your skin during peak hours!
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 | 5 | moderate | 30 min |
11:00 | 7 | high | 25 min |
12:00 | 9 | very high | 15 min |
13:00 | 9 | very high | 15 min |
14:00 | 9 | very high | 15 min |
15:00 | 7 | high | 25 min |
16:00 | 5 | moderate | 30 min |
17:00 | 4 | moderate | 30 min |
18:00 | 2 | low | 45 min |
19:00 | 1 | low | 45 min |
Throughout the year, the UV Index experiences notable seasonal variations, significantly impacting outdoor activities. High-risk months include May, June, July, and August, where UV levels peak at 8 or 9 and exposure is categorized as very high, with a burn time as short as 15 minutes. Visitors and residents are strongly advised to take precautions during these months by wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade, especially during peak daytime hours. Conversely, the UV Index is at its lowest in January (2) and December (1), where exposure is minimal and burn times extend to 45 minutes. Overall, awareness of these seasonal changes is key to ensuring safe sun exposure year-round.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Oroville | 2 | 3 | 5 | 7 | 8 | 9 | 9 | 8 | 7 | 4 | 3 | 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 |