Last updated: July 2, 2025
Awareness of the UV Index is essential for residents of Fox River, United States, where fluctuating levels of ultraviolet radiation can significantly impact skin health. Understanding these UV levels is crucial for preventing sunburn and protecting your skin from long-term damage. With a Dsc climate characterized by varied seasonal conditions, Fox River experiences periods of high UV exposure, especially during midday hours when the index can soar to 7. Stay informed and take proactive steps to safeguard yourself against the sun’s harmful effects!
The UV Index rises steadily throughout the day, starting at a mild 1 at 7:00 AM and 8:00 AM, perfect for an early morning stroll. As the sun climbs higher, the index reaches 2 by 9:00 AM and escalates to 3 by 10:00 AM. The real intensity kicks in at 11:00 AM, peaking at 6 and then soaring to its maximum of 7 from 1:00 PM to 2:00 PM, making midday the time to seek shelter or apply sunscreen generously. As the afternoon progresses, the UV Index begins to taper off, dropping to 6 at 3:00 PM, 5 at 4:00 PM, and gradually descending to 2 by 7:00 PM. This dynamic shift in UV levels underscores the importance of sun safety 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 | 3 | moderate | 30 min |
| 11:00 | 5 | moderate | 30 min |
| 12:00 | 6 | high | 25 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 2 | low | 45 min |
Throughout the year, UV exposure varies considerably, with notable peaks during the high-risk months of May through August, where the UV Index reaches levels 6 and 7, indicating high exposure categories and a reduced burn time of just 25 minutes. In particular, July presents the greatest risk with a UV Index of 7. Conversely, the winter months see much lower UV levels, with a low exposure category from November to February, allowing for longer burn times of 45 minutes. It is crucial for both visitors and residents to remain vigilant during the high summer months, seeking shade during peak hours and applying sunscreen regularly, while they can adopt a more relaxed approach in the cooler months.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fox River | 1 | 2 | 4 | 5 | 6 | 6 | 7 | 6 | 4 | 2 | 1 | 1 |
| 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 |