Last updated: June 24, 2025
In December, the average temperature in Milan, United States hovers around -7°C (21°F). However, be prepared for temperature extremes, with a minimum plunging to -30°C (-23°F) and a maximum reaching 13°C (55°F). Throughout the month, expect about 100 mm (4.0 in) of precipitation over 13 days, all while enjoying an average humidity of 85%. Stay warm and dry!
In December in Milan, the average temperature is -7°C (21°F), with maximums reaching 13°C (55°F) and minimums dropping as low as -30°C (-23°F). Travelers should prepare for extreme temperature fluctuations, ensuring they have appropriate clothing for both warm and cold conditions.
In Milan in December, the precipitation amount is 100 mm (4.0 in) over the course of 13 days.
In Milan in December, humidity is 85%. With an average temperature of -7°C (21°F), this humidity feels like a biting chill that seeps into your bones, making travel quite uncomfortable and requiring extra layers to stay warm while navigating through the damp air.
In Milan 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 Milan, you can visit Hourly UV Index in Milan.
UV Risk Categories
Weather in Milan varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Milan, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -9°C (16°F) | 85 mm (3.3 inches) | 91% | low |
| February Weather | -8°C (19°F) | 87 mm (3.4 inches) | 89% | moderate |
| March Weather | -4°C (25°F) | 75 mm (3.0 inches) | 85% | high |
| April Weather | 3°C (38°F) | 121 mm (4.8 inches) | 84% | very high |
| May Weather | 11°C (52°F) | 97 mm (3.8 inches) | 78% | very high |
| June Weather | 16°C (61°F) | 106 mm (4.2 inches) | 72% | very high |
| July Weather | 19°C (66°F) | 121 mm (4.8 inches) | 75% | very high |
| August Weather | 18°C (64°F) | 110 mm (4.3 inches) | 74% | very high |
| September Weather | 14°C (57°F) | 66 mm (2.6 inches) | 77% | high |
| October Weather | 7°C (45°F) | 124 mm (4.9 inches) | 85% | moderate |
| November Weather | -1°C (31°F) | 109 mm (4.3 inches) | 86% | moderate |
| December Weather | -7°C (21°F) | 100 mm (4.0 inches) | 85% | low |