Last updated: June 2, 2025
Understanding the UV Index in High Rolls, United States, is essential for safeguarding your skin health and preventing sunburn. With this region's arid BSk climate, residents and visitors alike face heightened risks from UV exposure, especially during peak hours when indices can soar to a staggering 13. By staying informed about UV levels, you can take vital precautions, ensuring you enjoy the sun safely and without the harmful effects of overexposure. Whether you're planning outdoor activities or simply soaking up the sun, knowing the UV Index is key to protecting yourself and your loved ones.
Throughout the day, the UV Index experiences a dynamic shift, peaking at an impressive 13 between 1 PM and 2 PM, indicating a high risk of harm from unprotected sun exposure. The morning starts gently, with a UV Index of 1 at 7 AM, gradually rising to 4 by 9 AM. As the sun inches higher, the intensity increases sharply, reaching 10 by 11 AM and soaring to 12 by noon. Post-peak, the index begins to decline, dropping to 10 at 3 PM, before settling back to a mild 2 by 6 PM. This clear progression emphasizes the importance of sun protection during the midday hours when the UV Index is at its highest. Enjoy the sunshine, but remember to stay safe! ☀️
| 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 | 12 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 12 | 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 |
The UV Index exhibits significant seasonal fluctuations, with the highest levels occurring between April and September. During these months, particularly from June to August, the UV Index peaks at 13, categorizing exposure as extreme and resulting in a rapid burn time of just 10 minutes. February and March also present high-risk conditions with indices of 8 and 10, respectively. As such, visitors and residents alike should exercise caution and take protective measures, especially during the high-risk months of April through September. This includes seeking shade, wearing protective clothing, and applying sunscreen regularly to mitigate the risk of UV exposure and skin damage. In contrast, the UV Index lowers significantly in January, November, and December, where the exposure is categorized as moderate to high, allowing for longer safe exposure times of 30 minutes and 25 minutes respectively.
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 |
| 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 |
| High Rolls | 5 | 8 | 10 | 12 | 12 | 13 | 13 | 12 | 11 | 8 | 6 | 5 |