Last updated: August 27, 2025
In Mariinsk, Russian Federation, the average temperature in December hovers around -13°C (8°F). Expect to experience minimums as frigid as -43°C (-46°F) and occasional highs reaching 5°C (41°F). Rain or snow may grace the area with an average precipitation of 42 mm (1.7 in) over 14 days, while the air remains damp with an average humidity of 97%. Be prepared for a truly chilly and wet month!
In December in Mariinsk, the average temperature is -13°C (8°F), with maximums reaching up to 5°C (41°F) and minimums dropping as low as -43°C (-46°F). Travelers should be prepared for extreme cold and fluctuating temperatures.
In Mariinsk in December, the precipitation amount is 42 mm (1.7 in) over a span of 14 days.
In Mariinsk in December, humidity is 97%. With an average temperature of -13°C (8°F), this humidity feels like a biting chill that seeps through your layers, making outdoor travel quite uncomfortable and damp.
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.
UV Risk Categories
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.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -16°C (4°F) | 30 mm (1.2 inches) | 97% | low |
February Weather | -13°C (9°F) | 28 mm (1.1 inches) | 97% | low |
March Weather | -5°C (23°F) | 25 mm (1.0 inches) | 95% | moderate |
April Weather | 5°C (41°F) | 33 mm (1.3 inches) | 93% | moderate |
May Weather | 12°C (53°F) | 57 mm (2.2 inches) | 75% | high |
June Weather | 18°C (64°F) | 49 mm (1.9 inches) | 58% | high |
July Weather | 19°C (66°F) | 71 mm (2.8 inches) | 63% | high |
August Weather | 17°C (63°F) | 56 mm (2.2 inches) | 58% | high |
September Weather | 10°C (50°F) | 66 mm (2.6 inches) | 76% | moderate |
October Weather | 3°C (39°F) | 52 mm (2.0 inches) | 86% | moderate |
November Weather | -7°C (19°F) | 59 mm (2.3 inches) | 96% | low |
December Weather | -13°C (8°F) | 42 mm (1.7 inches) | 97% | low |