Last updated: August 23, 2025
In San Pietro Apostolo, Italy, the average temperature in December hovers around 8°C (47°F), with a minimum drop to -2°C (29°F) and a pleasant maximum of 17°C (62°F). Expect 101 mm (4.0 in) of precipitation over approximately 15 days, alongside an average humidity of 78%. Be prepared for the cool, crisp weather!
In December, in San Pietro Apostolo, the average temperature is 8°C (47°F), with maximums reaching 17°C (62°F) and minimums dropping as low as -2°C (29°F). Pack accordingly for a mix of mild and chilly weather if you're planning to visit.
In San Pietro Apostolo in December, the total precipitation amount is 101 mm (4.0 in) over the course of 15 days.
In San Pietro Apostolo in December, humidity is 78%. With an average temperature of 8°C (47°F), this humidity feels like a chilly embrace, making travel invigorating yet damp, as the cool air wraps around you, emphasizing the need for layers to stay comfortable while exploring.
In San Pietro Apostolo 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 Pietro Apostolo, you can check the information here.
UV Risk Categories
Weather in San Pietro Apostolo varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Pietro Apostolo, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 6°C (43°F) | 79 mm (3.1 inches) | 78% | moderate |
| February Weather | 7°C (46°F) | 86 mm (3.4 inches) | 71% | moderate |
| March Weather | 8°C (48°F) | 104 mm (4.1 inches) | 70% | high |
| April Weather | 12°C (53°F) | 77 mm (3.0 inches) | 73% | very high |
| May Weather | 15°C (60°F) | 73 mm (2.9 inches) | 72% | very high |
| June Weather | 20°C (68°F) | 95 mm (3.7 inches) | 67% | very high |
| July Weather | 22°C (73°F) | 57 mm (2.2 inches) | 64% | very high |
| August Weather | 23°C (74°F) | 69 mm (2.7 inches) | 61% | very high |
| September Weather | 20°C (68°F) | 90 mm (3.5 inches) | 68% | very high |
| October Weather | 15°C (60°F) | 113 mm (4.4 inches) | 73% | high |
| November Weather | 12°C (54°F) | 149 mm (5.9 inches) | 77% | moderate |
| December Weather | 8°C (47°F) | 101 mm (4.0 inches) | 78% | moderate |