Last updated: August 1, 2025
Understanding the UV Index in Isle of Palms, United States is crucial for safeguarding your skin against harmful ultraviolet rays. As sun worshippers enjoy the area's beautiful beaches, being aware of UV levels can help prevent sunburn and long-term skin health issues. With a humid subtropical climate (Cfa), Isle of Palms experiences significant UV exposure, particularly at midday when indices peak at a blistering 11 to 12. Stay informed and protect yourself to fully enjoy those sunny days on the shore!
As the day unfolds, the UV Index begins low in the morning, peaking sharply around 12:00 PM with a striking 11. From there, it maintains a high level, reaching a maximum of 12 at 1:00 PM, before gradually falling as the afternoon progresses. By 3:00 PM, it dips to 9, signaling a decline in intensity. As evening approaches, the index returns to a more manageable 2 by 6:00 PM, ultimately settling at 1 as the sun sets. Remember to protect your skin, especially during those peak hours when the UV intensity reaches its highest levels!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 11 | 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 |
As the seasons change, so do UV levels, with significant increases from February to August. Notably, March to August are high-risk months, peaking in July with a UV Index of 12, categorized as extreme and a burn time of only 10 minutes. Visitors and residents should exercise increased caution during these months, seeking shade, wearing protective clothing, and applying sunscreen regularly. In contrast, winter months like January and December see a moderate UV Index of 4, allowing for more relaxed outdoor activities. However, November still poses a high risk with a UV Index of 6, reminding all to remain vigilant regardless of the season.
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 |
| Isle of Palms | 4 | 7 | 9 | 10 | 11 | 11 | 12 | 11 | 9 | 8 | 6 | 4 |
| Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |