Last updated: August 23, 2025
In Monte San Marino, Italy, the average temperature in December hovers around 5°C (42°F). Expect chilly days, with minimums dropping to -7°C (19°F) and maximums reaching 16°C (61°F). Make sure to pack your umbrella, as precipitation averages 214 mm (8.4 in) over 13 days, contributing to a high humidity level of 84%. Stay warm and dry during your visit!
In December in Monte San Marino, the average temperature is 5°C (42°F). The maximum can reach 16°C (61°F) and the minimum can be as low as -7°C (19°F). Travelers should be prepared for chilly weather, with the possibility of some warmer days mixed in.
In Monte San Marino in December, the total precipitation amount reaches 214 mm (8.4 in) over the course of 13 days.
In Monte San Marino in December, humidity is 84%. With an average temperature of 5°C (42°F), this humidity feels like a thick blanket wrapping around you, making every step feel heavier while traveling.
In Monte San Marino 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 Monte San Marino, you can visit Hourly UV Index in Monte San Marino.
UV Risk Categories
Weather in Monte San Marino varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Monte San Marino, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (39°F) | 87 mm (3.4 inches) | 84% | moderate |
| February Weather | 6°C (43°F) | 117 mm (4.6 inches) | 76% | moderate |
| March Weather | 8°C (46°F) | 123 mm (4.8 inches) | 69% | high |
| April Weather | 11°C (52°F) | 106 mm (4.2 inches) | 70% | high |
| May Weather | 15°C (59°F) | 117 mm (4.6 inches) | 70% | very high |
| June Weather | 20°C (69°F) | 78 mm (3.1 inches) | 61% | very high |
| July Weather | 23°C (74°F) | 50 mm (2.0 inches) | 57% | very high |
| August Weather | 24°C (75°F) | 43 mm (1.7 inches) | 53% | very high |
| September Weather | 18°C (65°F) | 123 mm (4.8 inches) | 65% | very high |
| October Weather | 14°C (57°F) | 133 mm (5.2 inches) | 75% | high |
| November Weather | 10°C (50°F) | 234 mm (9.2 inches) | 81% | moderate |
| December Weather | 5°C (42°F) | 214 mm (8.4 inches) | 84% | low |