Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of San Giuliano Nuovo, Italy, where the sun's rays can pose significant risks, especially during peak hours. Knowing the UV levels helps in preventing sunburn and maintaining long-term skin health—essential in a region that often experiences high exposure due to its Cfa climate. As the UV Index climbs dramatically from a moderate level of 3 in the morning to an intense peak of 9 in the early afternoon, being aware of these fluctuations allows you to take proactive measures to safeguard your skin while enjoying the beautiful Italian outdoors.
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, UV Index levels fluctuate, indicating varying levels of sun exposure risk. The high-risk months are typically from April to August, when the UV Index reaches 7 to 9, correlating to high to very high exposure categories, with a notably short burn time of just 15 minutes during May through July. Conversely, the UV Index dips during January, November, and December, falling into the low to moderate exposure categories, allowing for longer burn times of 30 to 45 minutes. To protect yourself from UV damage, it is crucial for visitors and residents to take precautionary measures, especially during the peak summer months. This includes seeking shade, wearing protective clothing, and applying sunscreen regularly when outdoors.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| San Giuliano Nuovo | 2 | 3 | 5 | 7 | 8 | 9 | 9 | 8 | 6 | 5 | 3 | 2 |
| Milan UVI | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 6 | 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 |