Last updated: July 2, 2025
Understanding the UV Index in Supreme, United States, is essential for maintaining skin health and preventing sunburn, especially during peak summer months. As a Cfa climate zone, Supreme experiences a range of UV exposure throughout the day, with levels peaking dramatically at noon (reaching up to 12). Awareness of these UV levels is crucial for residents and visitors alike, as it empowers them to take the necessary precautions when spending time outdoors. By staying informed about the UV Index, you can safeguard your skin while enjoying all that the sunny open air has to offer.
The UV Index today showcases a striking climb in intensity as the sun rises, starting from a modest 1 at 7:00 AM. As the morning unfolds, the index steadily elevates, reaching 4 by 9:00 AM before peaking at a blistering 12 at 1:00 PM—the most dangerous time for exposure. The afternoon shows a slight decline, with values tapering from 11 at 2:00 PM back down to 1 by 7:00 PM. This fluctuation highlights the importance of being sun-smart, especially during the peak hours when the risk of harmful UV radiation is at its highest. Remember to protect your skin and seek shade if you'll be outdoors!
| 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 | 6 | 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, UV levels fluctuate significantly, with high-risk months primarily from February to September. During these months, the UV Index reaches very high to extreme levels, particularly in April, May, June, July, August, and September, where the Index consistently stands at 11 or 12 and the recommended burn time is as low as 10 minutes. February, March, October, and November present a slightly lower risk, but still require caution, especially with UV ratings of 8 to 9. Residents and visitors should prioritize sun safety by seeking shade, wearing protective clothing, and applying sunscreen during peak hours to mitigate the risk of skin damage. Remember, even on cooler days, UV exposure can be significant, so staying vigilant year-round is key.
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 |
| Supreme | 5 | 8 | 9 | 11 | 11 | 11 | 12 | 12 | 11 | 9 | 7 | 5 |