Last updated: July 2, 2025
Understanding the UV Index is essential for protecting your skin in Castell'Umberto, Italy. With hot summers typical of this Mediterranean climate, awareness of daily UV levels can significantly reduce the risk of sunburn and long-term skin damage. During peak hours, the UV Index can reach a level of 11—indicating extreme risk. By monitoring these levels, residents and visitors can take proactive measures to ensure their skin stays healthy while enjoying the beauty of this charming coastal town.
As the sun rises, the UV Index begins at a mild 1 at 07:00, gradually escalating throughout the morning. By 10:00, it peaks at a robust 6, and then skyrockets to its maximum of 11 by 13:00—a time when protective measures become essential. The intensity starts to wane in the afternoon, dropping to 8 at 15:00, and further retreating to a gentle 1 by evening. It's a classic case of the sun's power, reminding us to stay vigilant and shield ourselves during those peak hours!
| 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 | 6 | high | 25 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 10 | 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, seasonal UV changes play a significant role in determining sun safety. From January to March, the UV Index gradually increases, reaching 6 in March, indicating a shift to a high exposure category with a burn time of 25 minutes. As spring approaches, April and May see very high levels, peaking at 9, with a reduced burn time of 15 minutes. June to August marks the peak risk months, with July reaching an extreme index of 11 and a critical burn time of just 10 minutes. September remains risky with a UV Index of 9, while October experiences a decline to 7. November and December return to moderate levels, with indices of 4 and 3, respectively, allowing for burn times of 30 minutes. Visitors and residents are advised to take precautions during the high-risk months (April to September) by seeking shade, wearing protective clothing, and applying sunscreen to minimize the risk of skin damage.
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 |
| 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 |
| Castell'Umberto | 3 | 5 | 6 | 9 | 9 | 10 | 11 | 10 | 9 | 7 | 4 | 3 |