Last updated: June 2, 2025
Awareness of the UV Index is crucial for residents and visitors of Okanogan, United States, where sun exposure can vary significantly throughout the day. Understanding UV levels is essential not only for protecting against painful sunburns but also for promoting long-term skin health. With Okanogan's Dsb climate, characterized by warm summers and ample sunshine, the risk of overexposure is particularly high, especially between the peak hours of 10 AM and 2 PM, when the UV Index can reach a vigorous 9. Stay informed and take proactive steps to enjoy the sun safely!
The UV Index throughout the day tells a compelling story of sun exposure. Starting at a gentle 1 at 7:00 AM, it gradually rises, reaching 2 by 8:00 AM. As the clock ticks towards mid-morning, the intensity ramps up, peaking at 9 between 12:00 PM and 2:00 PM—the perfect time for a shaded respite or sunscreen application. By 11:00 AM, the index hits 7, signaling more significant sun intensity. As the afternoon wanes, it starts to dip, falling to 3 by 5:00 PM, and eventually returning to 1 by 7:00 PM. This data emphasizes the importance of sun protection, particularly during those peak hours, to ensure a safe and enjoyable day outdoors!
| 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 | 6 | high | 25 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 | 3 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index exhibits significant seasonal changes, with the most intense exposure occurring during the summer months. January and December see low UV levels (Index 2), indicating a burn time of 45 minutes, thereby posing minimal risk. As the year progresses, both February and March bring moderate levels (Index 4-5), with shorter burn times of 30 minutes. April marks the transition to high exposure (Index 6), and this escalates notably in May and June, reaching very high levels (Index 8-9) with a burn time of just 15 minutes—indicative of high risk. July and August maintain this peak, before September signals a slight decrease to high exposure (Index 7) and a burn time of 25 minutes. Moving into autumn, October and November revert to moderate levels (Index 3-5), allowing for a burn time of 30 minutes, while January returns to the safety of low UV exposure. Visitors and residents should take extra precautions during the high-risk months of May through August, such as applying sunscreen, wearing protective clothing, and seeking shade, to minimize the risk of UV-related harm.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Okanogan | 2 | 4 | 5 | 6 | 8 | 9 | 9 | 8 | 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 |