Last updated: July 2, 2025
In Happy, United States, staying informed about the UV Index is crucial for ensuring your skin's health and preventing sunburn. With a semi-arid BSk climate, residents often experience intense sunshine, especially during peak hours, making it essential to understand UV levels for safe outdoor activities. From noon to early afternoon, the UV Index can soar to high levels (up to 12), exposing you to significant risks if proper precautions are not taken. By keeping an eye on the UV Index, you can enjoy the sunny days in Happy while protecting your skin and overall well-being.
As the day dawns, the UV Index begins at a modest 1 at 7:00 AM, gradually climbing to 2 by 9:00 AM. The sun’s intensity peaks around midday, reaching a striking 10 at 12:00 PM and soaring to a maximum of 12 between 1:00 PM and 2:00 PM. The afternoon sees a slight decline, with the index dropping to 11 at 3:00 PM, before tapering off to 9 by 4:00 PM. As the sun starts its descent, the UV Index further diminishes, settling at 3 by 6:00 PM and finally 2 by 7:00 PM. It's a vivid reminder of how the sun’s strength fluctuates throughout the day, encouraging us to stay protected during 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 | 10 | very high | 15 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 12 | extreme | 10 min |
| 15:00 | 11 | extreme | 10 min |
| 16:00 | 9 | very high | 15 min |
| 17:00 | 6 | high | 25 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 2 | 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 |
| Happy | 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 |