Last updated: August 23, 2025
In December, the average temperature in San Donnino, Italy is a crisp 5°C (41°F), with lows dipping to -4°C (25°F) and highs reaching up to 15°C (59°F). Expect a fair amount of wet weather, with 88 mm (3.5 in) of precipitation spread over 10 days. The air will feel quite humid, with an average humidity level of 85%.
In December in San Donnino, the average temperature is 5°C (41°F), with maximums reaching up to 15°C (59°F) and minimums dropping as low as -4°C (25°F). Travelers should be prepared for chilly conditions, so layering and warm clothing are advisable when visiting during this time.
In San Donnino in December, the precipitation amount is 88 mm (3.5 in) spread over a duration of 10 days.
In San Donnino in December, humidity is 85%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration a challenge as the cold air clings to your skin.
In San Donnino in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in San Donnino, you can visit Hourly UV Index in San Donnino.
UV Risk Categories
Weather in San Donnino varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Donnino, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (39°F) | 30 mm (1.2 inches) | 87% | low |
| February Weather | 7°C (44°F) | 78 mm (3.1 inches) | 79% | moderate |
| March Weather | 9°C (49°F) | 55 mm (2.2 inches) | 69% | high |
| April Weather | 13°C (56°F) | 71 mm (2.8 inches) | 71% | high |
| May Weather | 17°C (64°F) | 131 mm (5.2 inches) | 70% | very high |
| June Weather | 23°C (74°F) | 56 mm (2.2 inches) | 65% | very high |
| July Weather | 25°C (77°F) | 69 mm (2.7 inches) | 61% | very high |
| August Weather | 25°C (78°F) | 56 mm (2.2 inches) | 54% | very high |
| September Weather | 20°C (68°F) | 111 mm (4.4 inches) | 66% | high |
| October Weather | 15°C (59°F) | 73 mm (2.9 inches) | 83% | moderate |
| November Weather | 10°C (50°F) | 137 mm (5.4 inches) | 88% | moderate |
| December Weather | 5°C (41°F) | 88 mm (3.5 inches) | 85% | low |