Last updated: August 23, 2025
In December, the average temperature in San Sostene, Italy is a mild 11°C (52°F). Expect a minimum of 4°C (39°F) and a comfortable maximum of 17°C (63°F). With an average humidity of 78%, be prepared for some moisture, as precipitation amounts can reach 89 mm (3.5 in) over 14 days.
In December, in San Sostene, the average temperature is 11°C (52°F), with maximums reaching 17°C (63°F) and minimums dropping as low as 4°C (39°F). This weather makes San Sostene a great destination for travelers who enjoy mild temperatures and comfortable conditions.
In San Sostene in December, the precipitation amount is 89 mm (3.5 in) over a span of 14 days.
In San Sostene in December humidity is 78%. With an average temperature of 11°C (52°F), this humidity feels like a damp blanket wrapping around you, making outdoor activities somewhat uncomfortable and travel more challenging as you navigate the moist air.
In San Sostene in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in San Sostene, you can check the information here.
UV Risk Categories
Weather in San Sostene varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Sostene, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 9°C (49°F) | 70 mm (2.7 inches) | 78% | moderate |
| February Weather | 10°C (50°F) | 76 mm (3.0 inches) | 71% | moderate |
| March Weather | 11°C (51°F) | 93 mm (3.6 inches) | 70% | high |
| April Weather | 13°C (56°F) | 62 mm (2.4 inches) | 73% | very high |
| May Weather | 17°C (63°F) | 42 mm (1.7 inches) | 72% | very high |
| June Weather | 22°C (71°F) | 47 mm (1.8 inches) | 67% | very high |
| July Weather | 24°C (76°F) | 30 mm (1.2 inches) | 64% | very high |
| August Weather | 25°C (78°F) | 32 mm (1.3 inches) | 61% | very high |
| September Weather | 22°C (72°F) | 80 mm (3.1 inches) | 68% | very high |
| October Weather | 18°C (65°F) | 133 mm (5.2 inches) | 73% | high |
| November Weather | 15°C (59°F) | 142 mm (5.6 inches) | 77% | moderate |
| December Weather | 11°C (52°F) | 89 mm (3.5 inches) | 78% | moderate |