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December Weather in Milan, United States

Last updated: June 24, 2025

In December, the average temperature in Milan, United States hovers around 12°C (54°F). However, be prepared for a temperature range that can dip as low as -5°C (23°F) and rise to a pleasant 26°C (80°F). Expect about 126 mm (4.9 in) of precipitation spread over 9 days, contributing to a notable average humidity of 88%.

December Temperature in Milan

In December in Milan, the average temperature is 12°C (54°F). The maximum can reach 26°C (80°F) and the minimum can be as low as -5°C (23°F). This variability makes Milan an ideal destination for travelers seeking both mild and cooler weather experiences.

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 12°C (54°F), with highs reaching up to 26°C (80°F) and lows dropping to around -5°C (23°F).
JanFebMarAprMayJunJulAugSepOctNovDec525761677580838279725854
Data source: Temperature data for Milan generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Milan

In Milan in December, the total precipitation amount is 126 mm (4.9 in) spread over a duration of 9 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 126 mm (4.9 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec831077888721031181061078953126
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Milan

In Milan in December, humidity is 88%. With an average temperature of 12°C (54°F), this humidity feels like a thick, damp blanket, making traveling a bit uncomfortable as the air clings to your skin, causing you to sweat even in cooler weather.

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 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%82%80%76%73%74%80%79%83%77%84%88%
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 reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Milan for better planning.

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 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec479101111111110864
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.
 TemperaturePrecipitationHumidityUV
January Weather11°C (52°F)83 mm (3.2 inches)85%moderate
February Weather14°C (58°F)107 mm (4.2 inches)82%high
March Weather16°C (62°F)78 mm (3.1 inches)80%very high
April Weather20°C (67°F)88 mm (3.4 inches)76%very high
May Weather24°C (76°F)72 mm (2.8 inches)73%extreme
June Weather27°C (80°F)103 mm (4.1 inches)74%extreme
July Weather28°C (83°F)118 mm (4.6 inches)80%extreme
August Weather28°C (82°F)106 mm (4.2 inches)79%extreme
September Weather26°C (80°F)107 mm (4.2 inches)83%very high
October Weather22°C (72°F)89 mm (3.5 inches)77%very high
November Weather14°C (58°F)53 mm (2.1 inches)84%high
December Weather12°C (54°F)126 mm (4.9 inches)88%moderate

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