Toronto weather in March
Long-run climate averages for Toronto, Ontario in March, plus what the forecast models say for the days ahead.
In March, Toronto averages 4°C by day and -4°C at night. The wettest month is usually August.
March in Toronto averages a daytime high of 4°C and an overnight low of -4°C, which reads as cold for this part of the world. Overnight temperatures drop below freezing, so expect frost and pack accordingly. Across the whole year Toronto sees roughly 924 mm of precipitation.
Climate averages tell you what to pack. They do not tell you what next Tuesday looks like - for that, see the live Toronto forecast with every model compared and how much they currently agree.
Toronto weather by month
what to expect in Toronto through the year, 1991-2020 averagesHere is Toronto's typical weather in each month: the average daytime high and overnight low in °C, how each month feels, and the wettest month marked. Use it to plan any trip to Toronto by season.
Bottom line: over the last 30 days the European model has been the most accurate forecast for Toronto, scoring 88/100 on our CheckWeather Score, ahead of the American at 85. See the full CA accuracy scoreboard for exactly how every model is tested.
Common questions
How warm is Toronto in March?
Is March a good time to visit Toronto?
Does it rain a lot in Toronto in March?
Climate averages from ERA5 reanalysis. Model accuracy re-scored over a rolling 30 days. Page updated .