Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Keenesburg, United States, where sunny days are abundant in the semi-arid climate of the BSk zone. As UV levels can soar to a maximum of 12 during midday hours, awareness of these readings is essential for preventing sunburn and safeguarding skin health. By keeping an eye on the UV Index, you can take important precautions to enjoy the sunny outdoors while minimizing your risk of skin damage. Protect yourself and your loved ones by learning how to manage UV exposure effectively in this vibrant community!
The UV Index demonstrates a striking rise as the day unfolds, peaking between 12:00 PM and 1:00 PM with a blistering 12. Early risers enjoy relatively low levels, starting at 1 at 7:00 AM and climbing to 2 by 8:00 AM. As the sun reaches its zenith, UV levels spike dramatically, hitting 10 at 11:00 AM and reaching peak intensity at 12:00 PM. The afternoon offers a gradual decline, with values waning to 9 by 3:00 PM and easing further to 4 at 5:00 PM. As daylight wanes, the index drops to a gentle 2 by 6:00 PM, and finally retreats to a soothing 1 by 7:00 PM, showcasing the importance of midday sun safety while enjoying outdoor activities.
| 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 | 10 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 6 | 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 index levels fluctuate significantly, influencing sun exposure risk for visitors and residents alike. January through February sees a moderate UV index of 3 to 5, with a burn time of 30 minutes. As spring and summer approach, March escalates to a high index of 7, reducing burn time to 25 minutes. April and May reach alarming figures with very high to extreme values of 10 to 11, respectively, where the burn time sharply declines to 15 and 10 minutes. The peak of summer in June and July sustains an extreme index of 12, maintaining a burn time of just 10 minutes. Subsequently, August descends slightly to an index of 11, followed by September's very high index of 9, allowing for a 15-minute burn time. The risk lowers in the fall, with October at a high 6 (25 minutes) and November through December returning to a moderate 3 to 4 (30 minutes). It is advisable for individuals to take precautionary measures during high-risk months, particularly from April to August, such as wearing sunscreen, protective clothing, and seeking shade during peak hours to minimize the risk of UV damage.
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 |
| Keenesburg | 3 | 5 | 7 | 10 | 11 | 12 | 12 | 11 | 9 | 6 | 4 | 3 |
| 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 |