Last updated: July 2, 2025
In South Park, United States, understanding the UV Index is crucial for maintaining healthy skin and preventing sunburn. With a climate classified as Dfc, residents and visitors alike face varying UV exposure throughout the day, peaking with a striking index of 11 around midday. Awareness of UV levels not only empowers you to enjoy the outdoors safely but also protects your skin in this region's sunny summers. Whether it’s planning your outdoor activities or applying sunscreen, being informed about UV risks can make all the difference in your skin health and overall well-being.
As the sun rises and the day unfolds, the UV Index reveals a dramatic increase in solar intensity. At 07:00, it starts off mild with a UVI of 1, but by 08:00, it more than doubles to 2. The ascent continues, peaking at 12:00 with a striking UVI of 10, indicating a strong risk of harm from unprotected sun exposure. Peak hours arrive at 13:00 and 14:00, where it hits an impressive 11—the highest point of the day—before gradually tapering off. As the afternoon wanes, the index drops to 5 by 17:00 and back down to a safer 1 by 19:00. It's a perfect reminder to stay protected from those mid-day rays when UV levels are at their highest!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 6 | high | 25 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 10 | very high | 15 min |
| 16:00 | 7 | high | 25 min |
| 17:00 | 5 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index exhibits significant seasonal variations, with March through September marked as high-risk months for UV exposure. During this period, the UV Index climbs to extreme levels in May, June, July, and August, peaking at 12, which means the burn time is a mere 10 minutes. Even in April, the UV Index reaches 10, categorizing it as very high, with a burn time of just 15 minutes. As we transition into the fall and winter months, the UV Index decreases to moderate or low levels, with the lowest recorded in December at 2, allowing for a burn time of 45 minutes. Visitors and residents are strongly advised to take necessary precautions during the high-risk months, such as wearing sun protection, seeking shade, and avoiding prolonged sun exposure, particularly between 10 AM and 4 PM when the sun's rays are strongest.
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 |
| South Park | 3 | 5 | 7 | 10 | 11 | 12 | 11 | 11 | 9 | 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 |