December Weather in Milan, United States

Last updated: June 24, 2025

In Milan, United States, the average temperature in December hovers around 0°C (32°F). However, temperatures can vary significantly, with a minimum of -22°C (-7°F) and a maximum reaching 21°C (71°F). Expect 48 mm (1.9 in) of precipitation over approximately 6 days, and prepare for a high average humidity of 84%.

December Temperature in Milan

In December in Milan, the average temperature is 0°C (32°F). Maximums can reach 21°C (71°F), and minimums can drop as low as -22°C (-7°F). Travelers should be prepared for a wide range of temperatures, from chilly to mild, making it essential to pack layers for this time of year.

December Weather in Milan: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Milan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Milan, December typically has an average temperature of 0°C (32°F), with highs reaching up to 21°C (71°F) and lows dropping to around -22°C (-7°F).

Data source: Temperature data for Milan generated using information from the Copernicus Climate Change Service.

December Precipitation in Milan

In Milan in December, the precipitation amount is 48 mm (1.9 in) distributed over 6 days.

December Precipitation Trends in Milan

The chart displays monthly precipitation patterns in Milan, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Milan, December typically receives around 48 mm (1.9 inches) of precipitation spread over approximately 6 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

December Humidity in Milan

In Milan in December, humidity is 84%. With an average temperature of 0°C (32°F), this humidity feels like a cold, damp chill that seeps into your clothes, making traveling uncomfortable and necessitating extra layers to stay warm despite the moisture-laden air.

December Average Humidity in Milan

This chart illustrates the average monthly humidity levels in Milan, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Milan is approximately 84%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Milan

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.

Maximum UV Index Levels in Milan for December

The chart shows the monthly maximum UV Index (UVI) for Milan in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Milan typically reaches 2, which falls under the low exposure category.

Data source: Milan December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How December Weather in Milan Compares to Other Months

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.

This table compares monthly weather conditions in Milan, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (24°F)	54 mm (2.1 inches)	81%	moderate
February Weather	-3°C (27°F)	60 mm (2.3 inches)	81%	moderate
March Weather	4°C (40°F)	91 mm (3.6 inches)	81%	high
April Weather	10°C (50°F)	105 mm (4.1 inches)	82%	very high
May Weather	17°C (63°F)	147 mm (5.8 inches)	78%	very high
June Weather	23°C (74°F)	131 mm (5.2 inches)	81%	extreme
July Weather	25°C (77°F)	83 mm (3.3 inches)	79%	very high
August Weather	23°C (74°F)	75 mm (2.9 inches)	77%	very high
September Weather	20°C (69°F)	107 mm (4.2 inches)	78%	very high
October Weather	12°C (54°F)	121 mm (4.8 inches)	78%	high
November Weather	4°C (39°F)	50 mm (2.0 inches)	87%	moderate
December Weather	0°C (32°F)	48 mm (1.9 inches)	84%	low