Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Bristow, United States, where sun exposure can significantly impact skin health. With a Cfa climate, Bristow experiences warm summers leading to heightened risks for sunburn and long-term skin damage, especially during peak hours when the UV Index can soar to 11 at midday. By staying informed about daily UV levels, you can take proactive steps to enjoy the sun safely—prevention is key to maintaining healthy skin while navigating outdoor activities in this vibrant community. Keep an eye on the UV forecast to protect yourself and your loved ones from harmful rays!
The UV Index for the day showcases a dramatic increase in intensity as the sun climbs higher in the sky. Starting at a mild 1 at 07:00, it remains low throughout the morning, only reaching 3 by 09:00. However, by 11:00, the index skyrockets to 8, peaking at an intense 11 from 13:00 to 14:00. As the afternoon wanes, the UV levels gradually decrease, dropping to 4 by 17:00 and tapering off to 1 once again by 19:00. It's clear that midday hours pose the greatest risk for sun exposure, making it crucial to take precautions during the peak hours from 11:00 to 14:00.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 10 | very high | 15 min |
| 16:00 | 7 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV exposure levels vary considerably, peaking during the summer months. High-risk months for UV exposure are from April to August, when the UV Index reaches its highest levels, particularly in June and July, with an extreme rating of 11. April and May also present very high exposure risks, with indices of 10. During these critical months, the burn time significantly decreases, dropping to 10 minutes in June and July. Visitors and residents are strongly advised to take precautions during these months, such as seeking shade, wearing protective clothing, and applying sunscreen frequently to minimize the risk of UV-related health issues. In contrast, the UV Index is moderate in January, November, and December, providing safer conditions for outdoor activities during these winter months.
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 |
| Bristow | 4 | 6 | 7 | 10 | 10 | 11 | 11 | 10 | 9 | 7 | 5 | 4 |
| 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 |