Last updated: May 3, 2025
Understanding the UV Index is essential for residents and visitors of San Didero, Italy, particularly in its temperate Cfb climate where sunny days can lead to elevated UV levels. Knowledge of your local UV exposure helps in preventing sunburn and maintaining long-term skin health, especially during peak hours when the index reaches 9, indicating a high risk of harm from unprotected sun exposure. With San Didero's climate presenting unique UV challenges, staying informed can ensure you enjoy the beautiful outdoors while safeguarding your skin.
As the sun rises, the UV Index begins its ascent, starting at a mild 1 at 07:00. By 08:00, it climbs to a 2, indicating a low risk of harm from unprotected sun exposure. However, from 09:00 onwards, the intensity builds, peaking at 9 between 13:00 and 14:00—a time when precautions are essential to protect skin from damage. The afternoon hours see a slight decrease, dropping to 8 at 15:00 and further declining to 4 by 17:00. As the sun sets, the UV Index falls back down to 1 by 19:00, marking a return to safer levels. Stay vigilant during those midday hours to enjoy the sunshine while keeping your skin healthy!
| 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 | 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 exposure varies significantly, with high-risk months typically occurring from March to September. The UV Index peaks during the summer, particularly in June and July, where it reaches a maximum of 10, categorizing it as very high and resulting in a burn time of just 15 minutes. As spring transitions into summer, the index rises from a moderate rating of 3 in January to very high ratings by April, indicating that precautions should be taken to protect skin. During these high-risk months, it is advisable for visitors and residents to wear sunscreen, protective clothing, and seek shade during peak sun hours. As the year progresses into fall and winter, UV levels decrease, providing a relative respite from harmful exposure, with December offering a low index of 2 and a burn time of 45 minutes.
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 |
| San Didero | 3 | 5 | 6 | 8 | 9 | 10 | 10 | 9 | 8 | 5 | 3 | 2 |
| Palermo UVI | 3 | 5 | 6 | 8 | 9 | 10 | 10 | 9 | 8 | 7 | 4 | 3 |