Last updated: July 2, 2025
Understanding the UV Index is essential for residents of Stonewall, United States, as it provides critical information on how to protect yourself from harmful ultraviolet radiation. With maximum UV levels often peaking at 12 during midday hours, awareness can help prevent sunburn and long-term skin damage. Given Stonewall's humid subtropical climate, frequent sunny days elevate the risk of high UV exposure, making it crucial for locals to check the UV Index regularly and adopt effective sun safety measures. Stay informed, stay protected, and enjoy the outdoors responsibly!
The UV Index throughout the day reveals a dramatic rise in sun exposure, peaking during the afternoon. Starting with a modest 1 at 07:00 and 08:00, the intensity gradually escalates, reaching 5 by 10:00. By 11:00, it jumps to a striking 7, and by noon, it explodes to a scorching 10. The hottest hours hit their zenith at 12:00 and 13:00, with a relentless 12, indicating high risk for unprotected skin. As the sun begins its descent, the index gradually declines, dropping to 10 by 15:00, then to 8 by 16:00. As the evening rolls in, the UV Index returns to a safer 5 at 17:00 and then gradually falls to 3 and 1 by 18:00 and 19:00, respectively. For outdoor enthusiasts, it’s essential to seek shade and apply sunscreen during those peak hours to enjoy the sun safely!
| 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 | 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 |
As the seasons change, so do the UV Index levels, which can significantly impact sun safety for visitors and residents. January and December see moderate exposure with a UV Index of 5, allowing for a burn time of 30 minutes. However, starting in February, the UV Index escalates to 8, categorized as very high, with a burn time of just 15 minutes. The most critical months for UV exposure are during the summer, from April to August, where the index peaks at 12, denoting an extreme exposure category, and a quick burn time of only 10 minutes. Even September remains a high-risk month with an index of 11. It is crucial for everyone to take precautions during these high-risk months, including seeking shade, wearing protective clothing, and applying sunscreen regularly to minimize the risk of skin 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 |
| 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 |
| Stonewall | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 11 | 9 | 6 | 5 |