Weather in Winnipeg in March

The month to avoid. March is the month most people should skip in Winnipeg. Highs sit at -0.5 °C and the day is short; this is an indoors-with-excursions month, not an outdoors-all-day one.

March ranks 11 of 12 — near the bottom of Winnipeg's year. August is the month that works, and the swing between the two is 54 points, which is a different holiday rather than a slightly better one.

Rain on 8 days, 0 of them heavy. Enough to need a plan B, not enough to need a plan around it. Layers, and a genuinely waterproof outer — at -0.5 °C the difference between a good day and a miserable one is entirely down to what you are wearing.

What the averages hide

Averages flatten a month, and this one hides a few things: 29 nights drop below freezing, so anything left outside stays frozen. Across the twenty years measured, the hottest March day reached 25.2 °C and the coldest night fell to -38.8 °C, and the wettest single day dropped 42 mm — roughly 127% of the month's rain in one day.

March is moderately variable: 10 mm in the driest year against 101 mm in the wettest, around an average of 33 mm. Roughly two Marchs in three land near that average, and the third does something else entirely.

Wind is light at 13.1 km/h, so the temperature on the page is close to the temperature on your skin, and humidity runs at 85%, which at -0.5 °C means damp rather than muggy — the kind of cold that gets into a coat and stays there.

How March sits in the year

The month is on the way up: 9.6 °C warmer than February, and April adds another 11 °C. Late in the month feels noticeably different from the start of it, which is worth knowing if the trip is short.

Daylight in March

11.8 hours of daylight, gaining 1.9 hours across the month. That is between Winnipeg's extremes of 16.3 and 8.1 hours, so days are long enough not to constrain the plan.

An inland climate

Winnipeg has no sea to moderate it, and it shows: 48.9 °C separates the hottest afternoon of the year from the coldest night. That is a genuinely continental range, and it means summer and winter here are barely the same place.

How busy it gets

Off season. The genuine off season: cheapest by a distance, with the caveat that some tours and restaurants close entirely.

Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.

March in Winnipeg versus nearby

If Winnipeg is one option among several, the nearby comparison is worth making. Regina is close enough to be a coin toss — 3.3 °C warmer, 3 days less rain. Thunder Bay is close enough to be a coin toss — within a degree on temperature, 1 day less rain.

So: March is a compromise. August is 54 points better and is what Winnipeg is actually like at its best — worth moving the trip for if that is possible, and worth adjusting expectations for if it is not.

Every month in Winnipeg

See all twelve months in Winnipeg, or where else to go in March.