March Weather in Winnipeg, Canada

Last updated: June 18, 2025

In March, the average temperature in Winnipeg, Canada hovers around -5°C (23°F), making it a chilly time of year. Be prepared for extremes; temperatures can drop to a frigid -29°C (-20°F) or rise to a maximum of 18°C (64°F). You'll want to carry an umbrella as well, as precipitation averages 18 mm (0.7 in) over about 5 days. With an average humidity of 90%, the air can feel quite damp, so bundle up!

March Temperature in Winnipeg

In March in Winnipeg, the average temperature is -5°C (23°F). The maximum can reach 18°C (64°F) and the minimum can be as low as -29°C (-20°F). Despite the cold, it's a great time to explore winter activities and experience the stunning scenery.

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

The chart illustrates March 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, March typically has an average temperature of -5°C (23°F), with highs reaching up to 18°C (64°F) and lows dropping to around -29°C (-20°F).

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

March Precipitation in Winnipeg

In Winnipeg in March, the precipitation amount is 18 mm (0.7 in) spread over a duration of 5 days.

March Precipitation Trends in Winnipeg

The chart displays monthly precipitation patterns in Winnipeg, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Winnipeg, March typically receives around 18 mm (0.7 inches) of precipitation spread over approximately 5 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

March Humidity in Winnipeg

In Winnipeg in March, humidity is 90%. With an average temperature of -5°C (23°F), this humidity feels like walking through an icy mist, making it challenging to stay warm while traveling as your clothes cling to your skin, and every breath feels damp and heavy in the frigid air.

March Average Humidity in Winnipeg

This chart illustrates the average monthly humidity levels in Winnipeg, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Winnipeg is approximately 90%, offering insight into how humid the weather typically is during this month.

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

March UV Index in Winnipeg

In Winnipeg in March, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Winnipeg.

Maximum UV Index Levels in Winnipeg for March

The chart shows the monthly maximum UV Index (UVI) for Winnipeg in March, 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 March, the maximum UV index in Winnipeg typically reaches 5, which falls under the moderate exposure category.

Data source: Winnipeg March 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 March 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 March’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 March’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