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December Weather in Moscow, United States

Last updated: June 24, 2025

In December, the average temperature in Moscow, United States hovers around 8°C (47°F), with extremes ranging from a chilly -9°C (15°F) to a warm 25°C (77°F). Expect a moderate precipitation rate of 150 mm (5.9 in) spread over about 10 days, and brace for high humidity levels at 88%.

December Temperature in Moscow

In December in Moscow, the average temperature is 8°C (47°F), with maximums reaching 25°C (77°F) and minimums dropping as low as -9°C (15°F). This varied climate makes it essential to pack for both warm and cold conditions when traveling to Moscow during this time.

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

The chart illustrates December temperature patterns in Moscow, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Moscow, December typically has an average temperature of 8°C (47°F), with highs reaching up to 25°C (77°F) and lows dropping to around -9°C (15°F).
JanFebMarAprMayJunJulAugSepOctNovDec424655617178817976645047
Data source: Temperature data for Moscow 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 Moscow

In Moscow in December, the precipitation amount reaches 150 mm (5.9 in) over the course of 10 days.

December Precipitation Trends in Moscow

The chart displays monthly precipitation patterns in Moscow, 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 Moscow, December typically receives around 150 mm (5.9 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec10617516613911712113611911111076150
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Moscow

In Moscow in December, humidity is 88%. With an average temperature of 8°C (47°F), this humidity feels like a thick, damp blanket wrapping around you, making even short walks feel heavy and uninviting for travel.

December Average Humidity in Moscow

This chart illustrates the average monthly humidity levels in Moscow, 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 Moscow is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%84%81%83%83%80%74%70%73%85%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Moscow

In Moscow in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Moscow, you can check the information here.

Maximum UV Index Levels in Moscow for December

The chart shows the monthly maximum UV Index (UVI) for Moscow 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 Moscow typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710101111109753
Data source: Moscow 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 Moscow Compares to Other Months

Weather in Moscow varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Moscow, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Moscow, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)106 mm (4.2 inches)86%moderate
February Weather8°C (47°F)175 mm (6.9 inches)85%high
March Weather13°C (55°F)166 mm (6.5 inches)84%high
April Weather16°C (61°F)139 mm (5.5 inches)81%very high
May Weather22°C (71°F)117 mm (4.6 inches)83%very high
June Weather26°C (78°F)121 mm (4.8 inches)83%extreme
July Weather27°C (81°F)136 mm (5.4 inches)80%extreme
August Weather26°C (80°F)119 mm (4.7 inches)73%very high
September Weather24°C (76°F)111 mm (4.4 inches)70%very high
October Weather18°C (65°F)110 mm (4.3 inches)73%high
November Weather10°C (51°F)76 mm (3.0 inches)85%moderate
December Weather8°C (47°F)150 mm (5.9 inches)88%moderate

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