Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in Tre Croci, Italy, where the climate (Cfb) leads to varied UV exposure throughout the day. Being aware of UV levels is essential not only for preventing painful sunburns but also for maintaining long-term skin health. With peak UV readings reaching 10 around midday, it’s important to take protective measures during high-risk hours, especially from late morning to early afternoon. Take note of your surroundings and the UV Index to enjoy the beautiful weather while keeping your skin safe!
As the sun climbs higher in the sky, the UV Index rises dramatically throughout the morning and into the afternoon. Starting at a modest 1 at 7:00 AM, the levels gradually escalate, reaching 2 by 8:00 AM and hitting 4 by 9:00 AM. The intensity peaks at 10 around 1:00 PM, marking the most critical time for sun safety. From this peak, the index gently descends, dropping to 9 at 2:00 PM and then tapering down to 3 by 5:00 PM. As evening approaches, the UV Index diminishes to a gentle 1 by 7:00 PM. It's essential to stay protected during the mid-day heat, especially when the UV levels are at their highest.
| 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 | 9 | very high | 15 min |
| 13:00 | 10 | 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 | 3 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV levels exhibit notable seasonal variations that pose different risks for skin exposure. During the early months (January and February), the UV Index remains moderate (3-4), allowing for a safer burn time of 30 minutes. However, as spring emerges in March (UV Index 6) and April (UV Index 7), the risk escalates to high, with a reduced burn time of 25 minutes. Peak UV levels occur in May, June, and July, where the index soars to 10, categorized as very high, necessitating a cut down to 15 minutes of safe exposure. August sees a slight decline but remains very high (UV Index 9), while September returns to high levels (UV Index 7), extending the burn time back to 25 minutes. As the year transitions into fall and winter, UV exposure decreases significantly, with October and November reverting to moderate categories (4-5) and a burn time of 30 minutes, before dropping to a low index (UV 2) in December, offering up to 45 minutes of safe exposure. Residents and visitors should exercise caution and be particularly vigilant during the high-risk months of May through September, employing sun protection measures such as wearing sunscreen, protective clothing, and seeking shade during peak sun hours.
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 |
| 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 |
| Tre Croci | 3 | 4 | 6 | 7 | 9 | 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 |