Last updated: June 2, 2025
In Castionetto, Italy, understanding the UV Index is crucial for maintaining your skin health and preventing sunburns. With the region’s ET climate, residents and visitors alike must be aware of the potential risks associated with elevated UV levels, especially from late morning to early afternoon when the index peaks at 11. By knowing how to assess the UV Index, you can effectively protect yourself from harmful radiation, ensuring that your time spent outdoors is both enjoyable and safe. Don't underestimate the power of the sun—stay informed to keep your skin healthy as you bask in all that Castionetto has to offer!
As the sun rises, the UV Index starts its gradual ascent, beginning at a mild 1 at 07:00. By 09:00, it jumps to 4, marking the emergence of stronger rays. The intensity peaks sharply by 12:00, reaching a significant 10, reflecting the sun's full power. By 13:00, it reaches its zenith at 11, urging caution for those outside. The afternoon sees a gradual decline, dropping to 9 at 15:00 and gradually settling back to 1 by 19:00. Overall, today is a reminder to be sun-safe during peak hours, especially between 11:00 and 13:00 when the UV Index is at its 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 | 10 | very high | 15 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 7 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV Index levels fluctuate, indicating varying risks associated with sun exposure. January and February see moderate UV levels (3 and 4), with a burn time of 30 minutes. However, as we transition into March, the index sharply rises to 7, marking the start of the high-risk season, which peaks in June and July at an extreme UV level of 11, where the burn time drops to a mere 10 minutes. April and May also present very high levels (8 and 10), urging caution. The risk remains significant through August and September with UV indices of 9 and 8, respectively. Finally, the year ends with a gradual decrease in UV exposure, settling back to moderate levels in November and a low level in December. Visitors and residents should prioritize sun safety by seeking shade, wearing protective clothing, and applying sunscreen during high-risk months, particularly from March through September.
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 |
| Castionetto | 3 | 4 | 7 | 8 | 10 | 11 | 11 | 9 | 8 | 6 | 3 | 2 |
| Palermo UVI | 3 | 5 | 6 | 8 | 9 | 10 | 10 | 9 | 8 | 7 | 4 | 3 |