Last updated: May 3, 2025
In Canyon, United States, awareness of the UV Index is crucial for maintaining skin health and preventing sunburn during the sun's peak hours. Understanding the UV levels—especially as they reach a height of 11 between noon and 1 PM—can help residents and visitors alike protect themselves from harmful ultraviolet radiation. With Canyon's semi-arid climate (BSk), sunny days are common and the risks of overexposure are significant. By monitoring the UV Index, you can enjoy the beautiful outdoors while ensuring your skin stays safe from damage.
The UV Index journey throughout the day paints a vivid picture of sun exposure. Starting off the day, the index is at a gentle 1 by 07:00, gradually rising to 2 by 09:00. However, the real action begins at 10:00, where it leaps to 5, reaching a peak of 11 between 13:00 and 14:00—the sun is at its most intense! As the afternoon wanes, the intensity begins to taper off, dropping to 10 at 15:00 and further declining to 3 by 18:00. Finally, the day closes with a soothing 1 at 19:00, inviting everyone to bask in the warmth of a setting sun, but reminding us to stay sun-safe during the peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 2 | low | 45 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 9 | 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 | 8 | very high | 15 min |
| 17:00 | 5 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV levels vary significantly, with the highest risk occurring during the summer months. From March to August, the UV Index peaks, reaching extreme levels of 11 to 12, particularly in April, May, and June. During these months, the burn time reduces drastically to just 10 minutes, indicating a heightened risk for skin damage. Visitors and residents should be especially cautious from March through August, applying broad-spectrum sunscreen, wearing protective clothing, and seeking shade during peak hours. As the seasons shift, September and October still present very high UV exposure, with a slight decrease in burn time to 15 minutes. Conversely, winter months like December and January see a return to moderate levels, where the burn time extends to 30 minutes, providing a safer environment for outdoor activities. For the best protection year-round, stay informed about the UV Index and adjust outdoor plans accordingly.
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 |
| Canyon | 4 | 6 | 8 | 11 | 11 | 12 | 12 | 11 | 10 | 8 | 6 | 4 |
| Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |