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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Toronto Post Weather Desk. Data from Environment and Climate Change Canada and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
June in Toronto sees average highs of 23°C to 27°C, with lows near 14°C to 17°C; the live forecast above shows today’s conditions, which typically align with the month’s warming trend.
What are the average temperatures and rainfall?
June marks the start of Toronto’s summer, with daytime highs climbing from 23°C early in the month to around 27°C by month’s end, while overnight lows range from 14°C to 17°C. Precipitation averages 70 to 80 millimetres, spread over 10–12 days, often as short afternoon thunderstorms.
How does June compare to May and July?
May weather in Toronto is cooler, with highs of 17°C–20°C, while July weather in Toronto pushes into the 27°C–30°C range. June is the transitional month between Toronto Weather’s spring and peak summer, offering more sunshine and less rain than May.
What is the weather in Canada in June and July like?
Across Canada in June and July, southern cities like Toronto and Montreal (see Canada weather hub) are warm and humid, while northern regions stay milder. July is generally hotter and drier than June.
What was June weather Toronto 2022 like?
June 2022 saw slightly above-average temperatures in Toronto, with a high of 28°C on several days and total rainfall near 70 mm. It was a typical early-summer month with no extreme events.
How is June weather Montreal similar?
June weather Montreal records similar highs of 24°C–26°C but tends to be more humid due to the St. Lawrence River. For Toronto weather in June in Celsius, expect slightly cooler lake breezes along Lake Ontario.