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December Weather in Mariinsk, Russian Federation

Last updated: August 27, 2025

In December, the average temperature in Mariinsk, Russian Federation hovers around -10°C (14°F). Expect chilly extremes, with a minimum of -27°C (-16°F) and a mild maximum of 3°C (38°F). During this time, precipitation averages 30 mm (1.2 in) over 8 days, contributing to a high average humidity of 93%. Be prepared for a cold, damp winter month!

December Temperature in Mariinsk

In December in Mariinsk, the average temperature is -10°C (14°F), with maximums reaching 3°C (38°F) and minimums dropping as low as -27°C (-16°F). Travelers should be prepared for extremely cold conditions and dress in layers to stay warm.

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

The chart illustrates December temperature patterns in Mariinsk, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mariinsk, December typically has an average temperature of -10°C (14°F), with highs reaching up to 3°C (38°F) and lows dropping to around -27°C (-16°F).
JanFebMarAprMayJunJulAugSepOctNovDec91222375157646048372214
Data source: Temperature data for Mariinsk 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 Mariinsk

In Mariinsk in December, the precipitation amount is 30 mm (1.2 in) over the course of 8 days.

December Precipitation Trends in Mariinsk

The chart displays monthly precipitation patterns in Mariinsk, 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 Mariinsk, December typically receives around 30 mm (1.2 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec273138464780788361523630
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Mariinsk

In Mariinsk in December, humidity is 93%. With an average temperature of -10°C (14°F), this humidity feels like an invisible weight on your skin, making every breath feel thick and heavy, while the cold air bites sharply, creating a contrasting and uncomfortable chill that can make traveling outdoors feel like a daunting challenge.

December Average Humidity in Mariinsk

This chart illustrates the average monthly humidity levels in Mariinsk, 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 Mariinsk is approximately 93%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec99%96%95%90%78%70%82%82%89%90%95%93%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Mariinsk

In Mariinsk in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Mariinsk.

Maximum UV Index Levels in Mariinsk for December

The chart shows the monthly maximum UV Index (UVI) for Mariinsk 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 Mariinsk typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124567765321
Data source: Mariinsk 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 Mariinsk Compares to Other Months

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

This table compares monthly weather conditions in Mariinsk, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-13°C (9°F)27 mm (1.1 inches)99%low
February Weather-11°C (12°F)31 mm (1.2 inches)96%low
March Weather-5°C (23°F)37 mm (1.5 inches)95%moderate
April Weather3°C (38°F)46 mm (1.8 inches)90%moderate
May Weather11°C (51°F)47 mm (1.8 inches)78%high
June Weather14°C (57°F)80 mm (3.1 inches)70%high
July Weather18°C (64°F)78 mm (3.1 inches)82%high
August Weather15°C (60°F)83 mm (3.3 inches)81%high
September Weather9°C (48°F)61 mm (2.4 inches)89%moderate
October Weather3°C (38°F)52 mm (2.1 inches)90%moderate
November Weather-6°C (22°F)36 mm (1.4 inches)94%low
December Weather-10°C (14°F)30 mm (1.2 inches)93%low

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