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December Weather in Moscow, United States

Last updated: June 24, 2025

In Moscow, United States, the average temperature in December hovers around -6°C (22°F). However, expect temperature extremes with a minimum plunge to -27°C (-16°F) and a maximum rising to 14°C (57°F). During this month, precipitation totals approximately 118 mm (4.6 in) spread over about 10 days, contributing to a high average humidity level of 85%.

December Temperature in Moscow

In December in Moscow, the average temperature is -6°C (22°F), with a maximum that can reach 14°C (57°F) and a minimum that can drop as low as -27°C (-16°F). Travelers should prepare for a wide range of temperatures and dress in layers to stay comfortable during their visit.

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 -6°C (22°F), with highs reaching up to 14°C (57°F) and lows dropping to around -27°C (-16°F).
JanFebMarAprMayJunJulAugSepOctNovDec171927395262686659473222
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 total precipitation amount is 118 mm (4.6 in) over a span 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 118 mm (4.6 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec87837412593921158772131111118
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 85%. With an average temperature of -6°C (22°F), this humidity feels like an icy mist clinging to your skin, making outdoor activities uncomfortably chilly and causing your breath to cloud in the cold air, leaving you yearning for warmth and cozy indoor retreats while traveling.

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 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%85%84%78%72%75%74%77%85%86%85%
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 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 Moscow, you can visit Hourly UV Index in Moscow.

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 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2458910987532
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 Weather-8°C (17°F)87 mm (3.4 inches)91%low
February Weather-7°C (20°F)83 mm (3.3 inches)89%moderate
March Weather-3°C (27°F)74 mm (2.9 inches)85%moderate
April Weather4°C (40°F)125 mm (4.9 inches)84%very high
May Weather11°C (53°F)93 mm (3.7 inches)78%very high
June Weather17°C (63°F)92 mm (3.6 inches)72%very high
July Weather20°C (68°F)114 mm (4.5 inches)75%very high
August Weather19°C (66°F)87 mm (3.4 inches)74%very high
September Weather15°C (59°F)72 mm (2.8 inches)77%high
October Weather8°C (47°F)131 mm (5.2 inches)85%moderate
November Weather0°C (33°F)111 mm (4.4 inches)86%moderate
December Weather-6°C (22°F)118 mm (4.6 inches)85%low

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