Last updated: June 2, 2025
Understanding the UV Index in Florence, United States is essential for safeguarding your skin and overall health. With peak UV levels reaching a critical 13 around midday, awareness of these fluctuations can help you prevent sunburn and long-term skin damage. Florence's climate, categorized as BSk, brings unique challenges with variable UV exposure throughout the day. Knowledge of UV levels empowers residents and visitors alike to enjoy the sun responsibly while protecting their skin from harmful rays.
The UV Index displays a dynamic pattern throughout the day, starting off with a mild 1 at 07:00 and gradually climbing as the sun rises. By 09:00, it reaches a moderate level of 5, but the sun really starts to shine by 11:00, peaking at an intense 12. The apex is reached at 13:00 with an impressive 13, indicating it’s crucial to take sun safety precautions. As the afternoon progresses, the index begins to decline, dropping back to 10 by 15:00 and continuing to cool down into the evening, finally settling back to 1 by 19:00. It’s a vivid reminder of how important it is to stay protected during the peak sun hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 12 | extreme | 10 min |
| 15:00 | 10 | very high | 15 min |
| 16:00 | 7 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index notably varies throughout the year, highlighting significant seasonal changes in sun exposure. High-risk months include March through August, where the UV Index reaches very high to extreme levels, particularly in April and June, with burn times as brief as 10 minutes. During these months, residents and visitors are urged to take precautions such as wearing sunscreen, protective clothing, and seeking shade to minimize the risk of skin damage. In contrast, the UV Index is lower during the winter months of January and December, where it is classified as moderate, allowing for safer outdoor activities with burn times of 30 minutes. It is crucial to remain vigilant about sun safety as conditions can change rapidly, especially in the peak summer months.
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 |
| Florence | 4 | 7 | 9 | 11 | 12 | 13 | 12 | 12 | 10 | 7 | 5 | 4 |
| Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |