Last updated: June 2, 2025
Understanding the UV Index in State Line, United States is crucial for protecting your skin and overall health. As residents of this Cfa climate zone, the risk of harmful UV exposure can be significant, particularly during peak hours when the index soars to a maximum of 11 from 12:00 PM to 1:00 PM. By being aware of the UV levels and taking appropriate precautions, you can effectively prevent sunburn and long-term skin damage. With typically high UV readings during summer months, staying informed is not just a smart choice; it’s essential for enjoying the outdoors safely.
As the sun rises, the UV Index gradually climbs, starting at a low level of 1 at 07:00 and reaching a modest 2 by 08:00. However, by mid-morning, it surges to an impactful 4 at 09:00 and continues to rise dramatically. Peak intensity occurs at 12:00 and 13:00, with a staggering index of 11, indicating a significant risk of harm from unprotected sun exposure. Following this high, the index begins its descent, dropping to 10 at 14:00 and tapering off to a moderate level of 6 by 16:00. As the day winds down, the UV Index settles back to a low 1 by 18:00 and maintains this level through the evening hours. It's a day where sun safety is paramount during the midday hours!
| 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 | 9 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Seasonal UV changes reveal significant fluctuations throughout the year, with the highest UV exposure occurring from April to August, where the UV Index reaches an extreme level of 11. During these months, individuals can expect a rapid burn time of just 10 minutes, making them particularly high-risk for UV-related skin damage. February and March also stand out with a very high UV Index of 8, resulting in burn times of 15 minutes. Conversely, the risk diminishes in the fall and winter, with December showing a moderate UV Index of 4 and a burn time of 30 minutes. To stay safe, visitors and residents are advised to take extra precautions in the spring and summer months by wearing sunscreen, protective clothing, and hats, particularly during midday hours when UV radiation is most intense.
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 |
| State Line | 5 | 8 | 8 | 11 | 11 | 11 | 11 | 11 | 10 | 8 | 6 | 4 |
| Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |