December Weather in Winnipeg, Canada

Last updated: June 18, 2025

In December, the average temperature in Winnipeg, Canada hovers around -11°C (13°F). Expect chilling extremes, with minimums plunging to -33°C (-28°F) and highs reaching up to 5°C (42°F). During this month, you'll likely encounter 24 mm (0.9 in) of precipitation over 7 days, contributing to an average humidity of 93%. Prepare for a cold, crisp experience!

December Temperature in Winnipeg

In December in Winnipeg, the average temperature is -11°C (13°F), with a maximum reaching 5°C (42°F) and a minimum dropping as low as -33°C (-28°F). Travelers should prepare for extremely cold conditions and dress warmly if visiting during this time.

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

The chart illustrates December temperature patterns in Winnipeg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Winnipeg, December typically has an average temperature of -11°C (13°F), with highs reaching up to 5°C (42°F) and lows dropping to around -33°C (-28°F).

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

December Precipitation in Winnipeg

In Winnipeg in December, the precipitation amount is 24 mm (0.9 in) over the course of 7 days.

December Precipitation Trends in Winnipeg

The chart displays monthly precipitation patterns in Winnipeg, 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 Winnipeg, December typically receives around 24 mm (0.9 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 Winnipeg

In Winnipeg in December, humidity is 93%. With an average temperature of -11°C (13°F), this humidity feels like an icy blanket wrapping around you, making travel feel both challenging and invigorating as you navigate the frosty air that clings to your skin.

December Average Humidity in Winnipeg

This chart illustrates the average monthly humidity levels in Winnipeg, 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 Winnipeg is approximately 93%, 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 Winnipeg

In Winnipeg 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 Winnipeg.

Maximum UV Index Levels in Winnipeg for December

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

Data source: Winnipeg 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 Winnipeg Compares to Other Months

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

This table compares monthly weather conditions in Winnipeg, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-14°C (6°F)	18 mm (0.7 inches)	94%	low
February Weather	-16°C (4°F)	15 mm (0.6 inches)	91%	moderate
March Weather	-5°C (23°F)	18 mm (0.7 inches)	90%	moderate
April Weather	2°C (36°F)	29 mm (1.1 inches)	81%	high
May Weather	12°C (54°F)	35 mm (1.4 inches)	74%	very high
June Weather	19°C (66°F)	76 mm (3.0 inches)	75%	very high
July Weather	21°C (70°F)	61 mm (2.4 inches)	74%	very high
August Weather	19°C (67°F)	60 mm (2.4 inches)	77%	very high
September Weather	13°C (57°F)	97 mm (3.8 inches)	75%	high
October Weather	5°C (41°F)	57 mm (2.3 inches)	78%	moderate
November Weather	-5°C (24°F)	27 mm (1.1 inches)	87%	low
December Weather	-11°C (13°F)	24 mm (0.9 inches)	93%	low