Last updated: August 23, 2025
In December, the average temperature in San Pietro, Italy hovers around 7°C (44°F), with a minimum dipping to -4°C (25°F) and a maximum reaching 15°C (60°F). Expect 126 mm (4.9 in) of precipitation spread over 12 days, contributing to a humidity level of 83%.
In December in San Pietro, the average temperature is 7°C (44°F). Maximums can reach 15°C (60°F), while minimums can drop to as low as -4°C (25°F). Be prepared for chilly weather and pack layers if you plan to visit during this time.
In San Pietro in December, the precipitation amount is 126 mm (4.9 in) spread over a span of 12 days.
In San Pietro in December, humidity is 83%. With an average temperature of 7°C (44°F), this humidity feels like a damp chill that seeps into your bones, making exploring outdoors somewhat uncomfortable and requiring extra layers to stay warm and dry.
In San Pietro 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 Pietro, you can visit Hourly UV Index in San Pietro.
UV Risk Categories
Weather in San Pietro varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Pietro, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 5°C (41°F) | 54 mm (2.1 inches) | 84% | low |
| February Weather | 7°C (45°F) | 73 mm (2.9 inches) | 76% | moderate |
| March Weather | 9°C (48°F) | 82 mm (3.2 inches) | 68% | high |
| April Weather | 12°C (54°F) | 74 mm (2.9 inches) | 70% | high |
| May Weather | 17°C (62°F) | 79 mm (3.1 inches) | 69% | very high |
| June Weather | 22°C (72°F) | 48 mm (1.9 inches) | 62% | very high |
| July Weather | 25°C (76°F) | 37 mm (1.5 inches) | 57% | very high |
| August Weather | 25°C (77°F) | 42 mm (1.7 inches) | 55% | very high |
| September Weather | 20°C (68°F) | 102 mm (4.0 inches) | 66% | high |
| October Weather | 15°C (59°F) | 85 mm (3.3 inches) | 79% | moderate |
| November Weather | 11°C (52°F) | 130 mm (5.1 inches) | 84% | moderate |
| December Weather | 7°C (44°F) | 126 mm (4.9 inches) | 83% | low |