Toronto Weather in March

In March, Toronto averages a high of 5°C (41°F) and a low of -2°C (29°F), from 55 years of daily records (1971–2025).

5°C

Average high

41°F

-2°C

Average low

29°F

26°C

Record high

78°F · March 31, 1998

-23°C

Record low

-10°F · March 3, 2003

What March Is Like in Toronto

5 of the 10 warmest Marches on record in Toronto have come since 2011.
Snow falls on about 6.4 days in a typical March.
March in Toronto has become 1.0°C (1.8°F) warmer on average: the 2011–2025 average against 1970–1989.
March is the least predictable month in Toronto: daytime highs vary more from day to day and year to year than in any other month.

At least 1 mm of rain falls on 28% of March days, and the month averages 60 mm in total.

Average daytime high in Toronto, every March since 1971

Warmest: 2012 (11.4°C)Latest: 2025 (9.2°C)10-year averageLong-run average (4.9°C)

See the weather in Toronto on any March date, year by year.

Source: NOAA GHCN-Daily, Toronto (1971–2003); Toronto City (2002–2025). Averages cover 1971–2025. How we compute this