Toronto weather in December
Long-run climate averages for Toronto, Ontario in December, plus what the forecast models say for the days ahead.
In December, Toronto averages 4°C by day and -1°C at night. The wettest month is usually April.
December in Toronto averages a daytime high of 4°C and an overnight low of -1°C, which reads as cold for this part of the world. It is among the three coldest months of the year here. Overnight temperatures drop below freezing, so expect frost and pack accordingly. Across the whole year Toronto sees roughly 969 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 yearHere 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.