Last updated: August 23, 2025
In Colle San Magno, Italy, the average temperature in December hovers around 7°C (44°F). Expect a chill, with minimums dipping to -5°C (24°F) and maximums reaching 17°C (62°F). During this month, anticipate approximately 218 mm (8.6 in) of precipitation over 13 days, contributing to a high average humidity of 84%.
In December in Colle San Magno, the average temperature is 7°C (44°F). Maximums can reach 17°C (62°F), and minimums can be as low as -5°C (24°F). This unpredictable weather makes it essential to pack layers for your trip.
In Colle San Magno in December, the precipitation amount is 218 mm (8.6 in) over the course of 13 days.
In Colle San Magno in December humidity is 84%. With an average temperature of 7°C (44°F), this humidity feels like a damp chill that seeps into your bones, making it uncomfortable for traveling and requiring extra layers to stay warm and dry.
In Colle San Magno 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 Colle San Magno, you can visit Hourly UV Index in Colle San Magno.
UV Risk Categories
Weather in Colle San Magno varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Colle San Magno, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 5°C (41°F) | 93 mm (3.7 inches) | 84% | moderate |
| February Weather | 7°C (45°F) | 137 mm (5.4 inches) | 76% | moderate |
| March Weather | 8°C (48°F) | 122 mm (4.8 inches) | 69% | high |
| April Weather | 12°C (54°F) | 94 mm (3.7 inches) | 70% | very high |
| May Weather | 16°C (61°F) | 96 mm (3.8 inches) | 70% | very high |
| June Weather | 21°C (70°F) | 65 mm (2.6 inches) | 61% | very high |
| July Weather | 24°C (75°F) | 38 mm (1.5 inches) | 57% | very high |
| August Weather | 24°C (76°F) | 25 mm (1.0 inches) | 53% | very high |
| September Weather | 20°C (68°F) | 101 mm (4.0 inches) | 65% | very high |
| October Weather | 15°C (59°F) | 127 mm (5.0 inches) | 75% | high |
| November Weather | 11°C (52°F) | 277 mm (10.9 inches) | 81% | moderate |
| December Weather | 7°C (44°F) | 218 mm (8.6 inches) | 84% | low |