Last updated: July 2, 2025
In Grumello del Monte, Italy, being aware of the UV Index is crucial for maintaining skin health and preventing sunburn. The UV Index measures the strength of ultraviolet radiation from the sun, which can be particularly intense during the peak hours of 10 AM to 4 PM. With the region's Cfb climate, residents and visitors alike should be mindful of daily UV levels, as even a brief exposure during high-index hours—like reaching a maximum of 9 around 1 PM—can pose significant risks. Understanding these levels allows you to take proactive steps to protect your skin, ensuring you enjoy the beautiful Italian sunshine safely.
As the day unfolds, the UV Index rises steadily, peaking at 9 between 1:00 PM and 2:00 PM, indicating a very high risk of harm from unprotected sun exposure. The morning sees a gentle start with a maximum of 3 at 9:00 AM, climbing to 6 by 11:00 AM. By noon, it escalates to 8, warning sun-seekers to take precautions. The afternoon remains intense before gradually decreasing, hitting 4 by 5:00 PM and returning to a minimal 1 by 7:00 PM. It’s a day to embrace the sun wisely, staying protected during those peak hours when UV rays are fiercest!
| 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 | 5 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 9 | 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 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index fluctuates significantly, reflecting changes in seasonal sun exposure. January and December have the lowest UV Index levels (2), indicating a low risk of harm from unprotected sun exposure, with a burn time of 45 minutes. As we move into February and October, the index rises to 3, marking a moderate risk, with burn times of 30 minutes. The months of March and April reach a high risk with indices of 6 and 7, respectively, reducing burn times to 25 minutes. The high-risk period intensifies from May to August, where UV levels peak at 9 during June and July, categorizing these months as very high risk for sun exposure, with 15 minutes being the maximum safe exposure time without protection. In September, the risk decreases slightly to high (6), while October and November pose moderate risks once more. Residents and visitors are advised to take precautionary measures during the high and very high UV months (March to August), such as wearing sunscreen, hats, and protective clothing, and to minimize sun exposure during peak hours to reduce 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 |
| Grumello del Monte | 2 | 3 | 6 | 7 | 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 |