Last updated: July 2, 2025
Being aware of the UV Index in Piedmont, United States, is crucial for safeguarding your skin and overall health. Understanding UV levels helps in preventing sunburn and reducing the risk of long-term skin damage. With a humid continental climate (Dfa) that brings warm summers, residents face varying UV exposure risks throughout the day. Notably, peak UV levels can reach as high as 11 around midday, underscoring the importance of taking protective measures to enjoy the beautiful outdoors while staying safe from the sun's harmful effects.
The UV Index for today starts off mild, peaking at 1 by 7:00 AM, then gradually increases as the sun climbs higher in the sky. By 10:00 AM, it hits 6, indicating a moderate level of UV exposure. The intensity keeps climbing, reaching a maximum of 11 at 1:00 PM, making this the most crucial time for sun safety. As the afternoon progresses, the index begins to wane, dropping to 8 by 3:00 PM, then further to 2 by the evening, signalling a return to a safer UV environment. Remember, protecting your skin is vital during those peak hours of 10 AM to 2 PM!
| 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 | 8 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
As the seasons change, so do the UV index levels, which can significantly impact skin health. From January to February, the UV Index remains at a moderate level of 3 to 4, with a burn time of 30 minutes. However, March marks the onset of higher UV exposure with an increase to a 6 (high) and a burn time of just 25 minutes. The risk escalates sharply in April and May, where the UV Index peaks at 9 (very high) and burn times drop to 15 minutes. The highest levels occur during the summer months of June and July, reaching an extreme 11 with a mere 10 minutes of unprotected sun exposure before burning occurs. August and September remain risky with values of 10 and 8 respectively, necessitating vigilant sun protection measures. As temperatures cool in October, the UV Index diminishes to 5, falling to 3 in November and 2 in December, with longer burn times of 30 to 45 minutes. Visitors and residents should take extra precautions, especially from April to September, by using sunscreen, wearing protective clothing, and seeking shade during peak sun hours to mitigate the risk of skin damage.
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 |
| Piedmont | 3 | 4 | 6 | 9 | 9 | 11 | 11 | 10 | 8 | 5 | 3 | 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 |