Last updated: June 2, 2025
In Mazzo di Valtellina, Italy, awareness of the UV Index is crucial for ensuring skin health and preventing sunburn. Understanding daily UV levels empowers residents and visitors to take protective measures against harmful UV radiation, particularly during peak hours when the index reaches its highest point of 11 around 1 PM. Nestled in a cool, alpine climate, Mazzo di Valtellina experiences distinct seasons, yet its summer months can present significant UV exposure risks. By staying informed about the UV Index, you can enjoy the beautiful outdoors while safeguarding your skin from potential damage.
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, the UV Index demonstrates notable seasonal changes, indicating varying levels of sun exposure risk for visitors and residents. The months of March through August see the highest UV levels, with April, May, June, and July classified as very high to extreme with UV indices reaching 8 to 11 and recommended burn times as low as 10 to 15 minutes. May and June emerge as high-risk months, where caution is essential due to the extreme exposure category. Conversely, January and December present much lower indices of 2, categorized as low risk, allowing for longer times in the sun without severe risk of burning. To mitigate sun damage, individuals are advised to take protective measures, particularly during high-risk months: seek shade, wear protective clothing, and apply broad-spectrum sunscreen to enjoy outdoor activities safely.
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 |
| Mazzo di Valtellina | 2 | 4 | 7 | 8 | 10 | 11 | 11 | 9 | 8 | 6 | 3 | 2 |