Mississauga weather in March
Long-run climate averages for Mississauga, Ontario in March, plus what the forecast models say for the days ahead.
In March, Mississauga averages 6°C by day and -3°C at night. The wettest month is usually April.
March in Mississauga averages a daytime high of 6°C and an overnight low of -3°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 Mississauga sees roughly 1000 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 Mississauga forecast with every model compared and how much they currently agree.
Mississauga weather by month
what to expect in Mississauga through the yearHere is Mississauga'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 Mississauga by season.
Bottom line: over the last 30 days the European model has been the most accurate forecast for Mississauga, scoring 86/100 on our CheckWeather Score, ahead of the Env. Canada at 74. See the full CA accuracy scoreboard for exactly how every model is tested.
Common questions
How warm is Mississauga in March?
Is March a good time to visit Mississauga?
Does it rain a lot in Mississauga in March?
Climate averages from ERA5 reanalysis. Model accuracy re-scored over a rolling 30 days. Page updated .