Record heat: It's never been this hot in June in Montreal

The 61-year-old record was broken Tuesday in Montreal

It's never been this hot in Montreal in June.

On Tuesday, the mercury reached 35.1°C in the city. The previous record of 35.0°C dates back to June 30, 1964. A particularly hot air mass has been sweeping across the province since Sunday.

On Monday, a high temperature of 34.9°C was recorded in Dorval, and the mercury peaked at 36.6°C in Gatineau, shattering the 1988 record. In Ottawa, a monthly humidex record was broken on Monday, with a temperature of 46.5°C.

Montreal new June heat record - June 24, 2025

Schools in Quebec were advised by the education minister to take safety measures on Monday to mitigate the heat effects.

Quebec Ministry of Education statement on heat June 22

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In Montreal, the monthly humidex record was tied, with a temperature of 45°C.

A heat warning is in effect for southern and central regions, from Pontiac to the nation's capital region, on Tuesday.

It's important to stay hydrated and limit time outdoors during heat warnings.

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This article, written by David Tremblay, was originally published in French for MetéoMédia. Read the original story here.