Last updated: August 23, 2025
In December, the average temperature in San Donato, Italy hovers around 9°C (49°F). Expect chilly mornings with a minimum of -1°C (31°F), while the afternoons can warm up to a pleasant 18°C (65°F). Be prepared for 165 mm (6.5 in) of precipitation spread over 13 days, resulting in a high average humidity of 84%. Dress accordingly to enjoy the refreshing atmosphere!
In December in San Donato, the average temperature is 9°C (49°F). Maximums can reach 18°C (65°F), and minimums can drop as low as -1°C (31°F). This makes San Donato a great destination for travelers who enjoy cool temperatures with a mix of mild and chilly days.
In San Donato in December, the precipitation amount is 165 mm (6.5 in) spread over 13 days.
In San Donato in December, humidity is 84%. With an average temperature of 9°C (49°F), this humidity feels like a chilly embrace, making travel uncomfortable as the dampness seeps into your clothes and lingers in the air, leaving you feeling cool yet clammy.
In San Donato 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 Donato, you can visit Hourly UV Index in San Donato.
UV Risk Categories
Weather in San Donato varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Donato, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 7°C (46°F) | 76 mm (3.0 inches) | 84% | moderate |
| February Weather | 9°C (49°F) | 96 mm (3.8 inches) | 76% | moderate |
| March Weather | 11°C (51°F) | 90 mm (3.5 inches) | 69% | moderate |
| April Weather | 14°C (57°F) | 66 mm (2.6 inches) | 70% | high |
| May Weather | 18°C (64°F) | 77 mm (3.0 inches) | 70% | very high |
| June Weather | 23°C (73°F) | 39 mm (1.5 inches) | 61% | very high |
| July Weather | 25°C (78°F) | 28 mm (1.1 inches) | 57% | very high |
| August Weather | 26°C (79°F) | 17 mm (0.7 inches) | 53% | very high |
| September Weather | 22°C (71°F) | 90 mm (3.6 inches) | 65% | very high |
| October Weather | 17°C (63°F) | 106 mm (4.2 inches) | 75% | high |
| November Weather | 13°C (56°F) | 216 mm (8.5 inches) | 81% | moderate |
| December Weather | 9°C (49°F) | 165 mm (6.5 inches) | 84% | low |