Last updated: July 2, 2025
The UV Index is a crucial tool for residents of Bonners Ferry, helping you stay informed about the sun's intensity and the associated risks of UV exposure. Understanding the levels of UV radiation is essential for effective sunburn prevention and maintaining long-term skin health. With a climate marked by warm summers, Bonners Ferry experiences elevated UV levels, particularly around midday when the index peaks at 9—a reminder of the need for protective measures during those hours. Stay aware, stay protected, and enjoy the sun safely!
The UV Index today presents a notable climb as the sun ascends, peaking at 9 around noon and early afternoon, signaling very high sun exposure risk. Starting gently at 1 by 7 AM, the index rises steadily, reaching 6 by 10 AM and then surging to its maximum of 9 between 12 PM and 1 PM. Early afternoon brings a slight decline to 8 at 2 PM, followed by a gradual decrease through the later hours, settling back to 1 by 7 PM. With this trajectory, it's crucial to take precautions during the peak hours of 11 AM to 1 PM, ensuring skin protection against harmful UV rays. Stay safe and enjoy the sun wisely!
| 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 | 8 | very high | 15 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 8 | 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 presents notable seasonal variations that are crucial for both visitors and residents. During the winter months of January and December, the UV Index is at its lowest (2), indicating a low exposure risk with a burn time of 45 minutes. As spring approaches, February and March see a moderate increase with UV Index values of 3 and 5, respectively, where caution is advised, particularly with a burn time of 30 minutes. The risk peaks in the summer, especially from May to August, when the UV Index reaches 9, categorized as very high, necessitating minimized sun exposure with a burn time of just 15 minutes. April and September follow closely with high (7) and moderate (4) levels, respectively. As winter arrives again, UV levels decrease back to their safer ranges. It is essential for everyone to take proper sun safety measures, particularly during the high-risk months of May through August, by using sunscreen, wearing protective clothing, and seeking shade whenever possible.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bonners Ferry | 2 | 3 | 5 | 7 | 9 | 9 | 9 | 9 | 7 | 4 | 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 |