Last updated: June 2, 2025
In Castelli Calepio, Italy, understanding the UV Index is essential for safeguarding your skin against harmful rays, especially during the sunniest hours of the day. With a climate classified as Cfa, residents and visitors alike must be vigilant about UV levels that can peak as high as 9 between 1 PM and 2 PM. This high index indicates a significant potential for sunburn and long-term skin damage, making awareness vital for enjoying outdoor activities safely. By checking the UV Index regularly, you can effectively plan your sun exposure, protect your skin health, and enjoy the beautiful Italian sunshine responsibly.
The UV Index today shows a dynamic rise and fall throughout the hours, peaking in the midday sun. Starting from a gentle 1 at 07:00, it gradually climbs to reach 8 by 12:00, just before the sun reaches its zenith. The intensity spikes to its highest point of 9 at 13:00, remaining high until 14:00, when it begins to taper off. By 15:00, it drops to 7, continuing its downward trend to 4 by 17:00, and then easing back to the safer 1 by 19:00. Remember to protect yourself during the peak hours, especially between 11:00 and 14:00, when the sun’s rays are strongest!
| 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 | 7 | 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 | 7 | high | 25 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 |
| Castelli Calepio | 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 |