Last updated: May 3, 2025
In Summit, United States, staying aware of the UV Index is crucial for safeguarding your skin against harmful exposure. Understanding UV levels not only helps in preventing sunburn but also plays a significant role in promoting long-term skin health. With Summit's BSk climate, characterized by sunny summers and elevated UV risks, peak values can soar to a staggering 12 around noon, making it essential to take protective measures. Whether enjoying outdoor activities or simply soaking up the sun, keeping an eye on the UV Index can help you stay safe and healthy all year round.
The UV Index today tells a dramatic story of sunlight intensity as the day progresses. Starting off gently at 1 by 7:00 AM, the sun begins its ascent and the index surges, reaching a moderate 3 by 8:00 AM. As we approach 9:00 AM, it climbs to 6, signifying that sunscreen might be wise. But the real heat kicks in at 10:00 AM with a striking 8, soaring to a peak of 12 between 12:00 PM and 1:00 PM—a serious warning to take protective measures. The afternoon sees a gradual decline as the index drops to 10 at 2:00 PM, and then steadily decreases through the later hours, settling back to 1 by 7:00 PM. Stay informed and protect your skin during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV exposure levels vary significantly, with the most intense months being March through September. During this period, particularly from April to September, the UV Index reaches extreme levels (11-13), corresponding to a burn time of just 10 minutes. February marks the beginning of the high-risk season with an Index of 7, while the months of October and November see a gradual decrease, falling back to moderate and high exposure categories, respectively. Visitors and residents should be particularly cautious during the summer months, adopting protective measures such as wearing sunscreen, protective clothing, and seeking shade, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. By staying informed about these seasonal changes, individuals can better protect their skin and overall health.
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 |
| Summit | 5 | 7 | 10 | 11 | 12 | 13 | 12 | 12 | 11 | 8 | 6 | 5 |