Last updated: May 3, 2025
Staying informed about the UV Index is crucial for residents and visitors in Castionetto, Italy, where the mountainous climate can bring unexpected sun exposure risks. Understanding the UV levels throughout the day helps protect against sunburn and promotes long-term skin health. With peak UV intensity reaching as high as 10 during midday hours, being aware of when to seek shade is essential in this breathtaking region. As you enjoy the stunning landscapes and outdoor activities that Castionetto offers, keeping an eye on the UV Index will ensure you can fully appreciate the sun while staying safe.
The UV Index today reveals a clear pattern of solar intensity peaking as the day progresses. Starting at a low 1 at 07:00, it steadily climbs to 2 by 08:00 and further to 3 by 09:00. The sun asserts its dominance with a 6 at 10:00, escalating dramatically to 8 at 11:00. The intensity reaches its zenith with a staggering 10 from 13:00 to 14:00, the point at which sun safety becomes crucial. As the afternoon wears on, the index begins to taper off, dropping to 8 at 15:00, and further cooling to 4 by 17:00. The evening ushers in a return to more manageable levels, with 2 at 18:00 and winding down to 1 by 19:00. Plan your outdoor activities wisely, savoring the sun's rays during the peak hours while taking precautions to protect your skin!
| 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 | 9 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 10 | 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 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 |