Toronto Weather in June

In June, Toronto averages a high of 24°C (75°F) and a low of 15°C (59°F), from 55 years of daily records (1971–2025).

24°C

Average high

75°F

15°C

Average low

59°F

37°C

Record high

98°F · June 25, 2025

5°C

Record low

41°F · June 9, 1980

What June Is Like in Toronto

Toronto's hottest June day on record is a recent one: 37°C (98°F) on June 25, 2025.
The coldest June reading, 5°C (41°F) on June 9, 1980, has not been matched in 45 years.
June 2025 was the 5th warmest June in 55 years of records, 1.6°C (2.9°F) above the long-run average.
June in Toronto has become 1.2°C (2.1°F) warmer on average: the 2011–2025 average against 1970–1989.

At least 1 mm of rain falls on 29% of June days, and the month averages 75 mm in total.

Average daytime high in Toronto, every June since 1971

Warmest: 2005 (27.3°C)Latest: 2025 (26.5°C)10-year averageLong-run average (23.9°C)

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

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