December Weather in Omsk, Russian Federation

Last updated: August 27, 2025

In December, the average temperature in Omsk, Russian Federation hovers around -13°C (8°F), with minimums plunging as low as -35°C (-30°F) and maximums peaking at 1°C (34°F). Expect 24 mm (1.0 in) of precipitation over approximately 7 days, all while experiencing an average humidity level of 89%.

December Temperature in Omsk

In December in Omsk, the average temperature is -13°C (8°F). The maximum can reach 1°C (34°F), and the minimum can be as low as -35°C (-30°F). Travelers should be prepared for extremely cold weather conditions and dress in layers to stay warm during their visit.

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

The chart illustrates December temperature patterns in Omsk, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Omsk, December typically has an average temperature of -13°C (8°F), with highs reaching up to 1°C (34°F) and lows dropping to around -35°C (-30°F).

Data source: Temperature data for Omsk generated using information from the Copernicus Climate Change Service.

December Precipitation in Omsk

In Omsk in December, the total precipitation amount is 24 mm (1.0 in) over a period of 7 days.

December Precipitation Trends in Omsk

The chart displays monthly precipitation patterns in Omsk, 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 Omsk, December typically receives around 24 mm (1.0 inches) of precipitation spread over approximately 7 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

December Humidity in Omsk

In Omsk in December humidity is 89%. With an average temperature of -13°C (8°F), this humidity feels like a thick, icy fog wrapping around you, making every breath feel heavy and chilling your skin, which can be quite uncomfortable for traveling.

December Average Humidity in Omsk

This chart illustrates the average monthly humidity levels in Omsk, 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 Omsk is approximately 89%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Omsk

In Omsk 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 Omsk.

Maximum UV Index Levels in Omsk for December

The chart shows the monthly maximum UV Index (UVI) for Omsk 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 Omsk typically reaches 1, which falls under the low exposure category.

Data source: Omsk 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 Omsk Compares to Other Months

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

This table compares monthly weather conditions in Omsk, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-16°C (3°F)	17 mm (0.7 inches)	98%	low
February Weather	-15°C (6°F)	23 mm (0.9 inches)	97%	low
March Weather	-7°C (20°F)	22 mm (0.9 inches)	96%	moderate
April Weather	5°C (41°F)	35 mm (1.4 inches)	85%	moderate
May Weather	13°C (57°F)	37 mm (1.4 inches)	62%	high
June Weather	17°C (63°F)	64 mm (2.5 inches)	51%	high
July Weather	20°C (69°F)	47 mm (1.9 inches)	49%	high
August Weather	18°C (65°F)	51 mm (2.0 inches)	56%	high
September Weather	11°C (52°F)	45 mm (1.8 inches)	71%	moderate
October Weather	4°C (40°F)	33 mm (1.3 inches)	83%	moderate
November Weather	-6°C (21°F)	27 mm (1.1 inches)	88%	low
December Weather	-13°C (8°F)	24 mm (1.0 inches)	89%	low