Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors of Ponna Superiore, Italy, where the Dfc climate brings mild summers and snowy winters, yet also significant sun exposure during warmer months. Awareness of UV levels helps protect against sunburn, long-term skin damage, and skin cancer, allowing everyone to enjoy the outdoors safely. With peak UV Index values reaching a striking 9 around midday, it's vital to take necessary precautions during the hottest hours, ensuring your skin's health and well-being throughout the year.
As the sun rises, the UV Index begins its ascent, starting at a mild 1 at 07:00. By 08:00, it climbs to a 2, indicating a low risk of harm from unprotected sun exposure. However, from 09:00 onwards, the intensity builds, peaking at 9 between 13:00 and 14:00—a time when precautions are essential to protect skin from damage. The afternoon hours see a slight decrease, dropping to 8 at 15:00 and further declining to 4 by 17:00. As the sun sets, the UV Index falls back down to 1 by 19:00, marking a return to safer levels. Stay vigilant during those midday hours to enjoy the sunshine while keeping your skin healthy!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 8 | 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, the UV Index exhibits notable fluctuations, indicating varying levels of sun exposure risk. The winter months of January and December see low UV levels (Index 2), allowing for a burn time of up to 45 minutes. As spring approaches, February rises to a moderate level (Index 3), with a reduced burn time of 30 minutes. The high-risk months commence in March and continue through August, peaking at 9 in June and July; during this period, exposure is categorized as very high and burn times drop to just 15 minutes. Following the mid-summer, September marks a decrease to a high category (Index 7), while October and November revert to moderate levels. As you plan outdoor activities, it is crucial to remain vigilant during the high-risk months (March to August); practice sun safety by seeking shade, wearing protective clothing, and applying sunscreen frequently to minimize UV exposure.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Milan UVI | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 6 | 5 | 3 | 2 |
| Ponna Superiore | 2 | 3 | 6 | 6 | 8 | 9 | 9 | 8 | 7 | 5 | 3 | 2 |
| Turin UVI | 2 | 3 | 6 | 7 | 8 | 10 | 9 | 9 | 7 | 5 | 3 | 2 |
| Rome UVI | 3 | 4 | 5 | 7 | 8 | 10 | 10 | 9 | 7 | 5 | 4 | 2 |
| Naples UVI | 3 | 4 | 6 | 7 | 9 | 10 | 10 | 9 | 8 | 6 | 4 | 2 |
| Palermo UVI | 3 | 5 | 6 | 8 | 9 | 10 | 10 | 9 | 8 | 7 | 4 | 3 |