Last updated: July 2, 2025
In Fox Farm-College, United States, being aware of the UV Index is crucial for protecting your skin and overall health. As residents of a semi-arid climate, the sun's rays can be intense, especially during peak hours when the UV Index soars to levels that can lead to sunburn and long-term skin damage. Understanding these UV levels empowers you to take necessary precautions like seeking shade and applying sunscreen, ensuring that your outdoor activities remain enjoyable and safe. With the UV Index reaching a maximum of 12 during midday hours, staying informed helps you navigate the sunny days while safeguarding your skin.
Throughout the day, the UV Index displayed a dynamic pattern, peaking at an intense 12 around 1 PM. Starting off gently at 1 by 7 AM, it climbed steadily, reaching 9 by 11 AM, a clear sign to take precautions. As the sun approached its zenith, the index swelled to its maximum at 12 PM, emphasizing the importance of sun safety. Following the midday peak, the index gradually decreased, dropping to 9 by 3 PM, then tapering off further to 2 by 6 PM and 1 by 7 PM. This data underscores the significance of shielding oneself from the sun's harmful rays during the day, especially when the UV Index is at its highest.
| 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 | 12 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index experiences notable fluctuations, with the highest risk months typically occurring from April to August. During this period, the UV Index reaches levels classified as very high to extreme, particularly peaking at 12 in June and July, which corresponds to a burn time of just 10 minutes. In contrast, the winter months of January, November, and December show a much lower UV Index, remaining in the moderate category at 4, allowing for a burn time of 30 minutes. As such, it is crucial for visitors and residents to be particularly vigilant about sun protection—especially in late spring and summer. Sunscreen, protective clothing, and seeking shade during peak hours are highly recommended to mitigate harmful effects from exposure during high UV Index periods.
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 |
| Fox Farm-College | 4 | 6 | 7 | 10 | 10 | 12 | 12 | 11 | 9 | 6 | 4 | 4 |
| 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 |