Summer of heat waves: a list of some temperature records broken in Canada this year

Canada’s summer of heat waves continues this weekend, with warnings issued in four provinces.

Environment Canada says high temperatures on Sunday in southern Ontario, southern Quebec, New Brunswick and Nova Scotia could reach or exceed 30C and potentially reach 40C with humidity.

Heat warnings and high humidity have been an issue this year, with some provinces and territories reporting record temperatures.

These are some of the heat records reported so far this year:


Along with an avalanche of recent firesBritish Columbia saw days of record temperatures across the province in late July.

Preliminary data shows that the province went bankrupt eight temperature records — a few decades old — on July 31.

Many of the records broken that day were in the Interior region of BC, with Osoyoos reaching 40 C on July 31, breaking the 2003 city record of 39.6 C.

Other record-breaking municipalities for July 31 include Cache Creek (40.5 C), Cranbrook (37.6 C), Lillooet (39 C), Nelson (39.4 C), Penticton (39 C), Summerland ( 38.7 C) and Trail (39.6 C) areas.

Before that, preliminary data showed eight areas in the province recorded new temperature highs for July 29, including Cache Creek (41.2 C), Clinton (34.7 C), Kamloops (37.9 C), Lillooet (40.1 C), Lytton ( 42.2 C), Merritt (37.2 C), Nelson (38.6 C), and Trail (40 C).

fourteen records they broke up or moored on July 28, the earliest data from Environment Canada, some from the 1930s, showed.

Lytton saw a high of 41.1 C in 28 of July, breaking a record set in 2009 of 40.6. The day before, the town in BC broke its 1939 record of 40 C after recording a temperature of 42 C.

Lytton’s new records come after temperatures of over 45C were recorded in June 2021, the first time it had happened anywhere in Canada. The town would settle new all time records in Canada that month, at one point registering a temperature of 49.6 C.

Osoyoos tied his 1996 record of 41.2 C for July 28 of this year.

Meanwhile, new records were set for that day in the areas of Blue River (37 C), Clearwater (39.2 C), Clinton (34.5 C), Dawson Creek (32.5 C), Kelowna (38, 7 C), Mackenzie (33.4 C), Penticton (37.9 C), Port Hardy (24.1 C), Princeton (38 C), Puntzi Mountain (34.2 C), Sparwood (33.1 C ) and Vernon (37.8C).

ten records they were broken or tied on July 27, including in Vancouver, which warmed to 30.4 C, surpassing its 1998 record of 29.9 C for that day.

Lytton reached 42 C that day, surpassing his 1939 record of 40 C for July 27.

The Bella Bella, Cache Creek, Clinton, Dawson Creek, Fort St. John, Mackenzie, Nelson and Puntzi Mountain areas also tied or broke their previous records.

more than a dozen Temperature records, some dating back to the late 19th century, were also broken or tied on July 26.

Abbotsford broke its previous temperature record of 33.6 C set in 1998 after recording 35.4 C on July 26.

Victoria broke her previous record of 30.5 C, set in 2019, with a record of 31.5 C.

Agassiz, BC tied his record of 35.6 C from 1899.

Other municipalities that tied or broke their records for July 26 include Bella Bella (33.6 C), Cache Creek (37.5 C), Estevan Point (23.8 C), Gibsons (34.4 C), Hope (37.9 C), Malahat (33.2 C), Port Alberni (37.7 C), Prince Rupert (25.8 C), Sechelt (34.4 C), Squamish (37.1 C), and White Rock (31 C).


Environment Canada has issued heat advisories in Alberta, Saskatchewan and Manitoba for the spring and summer.

On June 20, Manitoba broke 18 heat registerswith the provincial capital Winnipeg registering a temperature of 37 C that day, surpassing the previous record set in 1888 of 33.3 C.

Coronach in southern Saskatchewan established a new heat record of 38.6 C on August 4, breaking its previous record of 37.2 C from 1964.

This adds to the strong gusts of wind that the municipality experienced that day, with speeds of up to 94 kilometers per hour.


On May 31, the city of Toronto broke a decades heat recordregistering a high of 32.1 C at Pearson International Airport, or 36 C with humidity.

The previous record, dating from 1944, was 31.1 C.

The 21st of June, the first day of summerWindsor, Ontario, recorded a temperature of 34.9 C at its local airport, surpassing the previous record that day of 34.4 C in 2012.

On March 6, the city of Ottawa saw its highest temperature for that day never at 12.9 C, surpassing the previous 1974 record of 9.4 C. The typical high for that time of year is closer to 0 C.

More record temperatures for Ottawa would arrive in May, and the city would see its hottest May 11 on record to 27 C, surpassing the previous record of 26.8 C for that day in 2001.

Records continued May 12when the temperature reached 29.7 C and beat the previous record of 27.6 C set that day in 1992.

The next day, May 13the temperature reached a record high of 29.8 C, surpassing the previous mark of 28.2 C set that day in 1985.


The temperature in Montreal was expected to reach 31C on May 12, which would have set a new record for that day.

Environment Canada figures show temperature reached 30.3Cthe hottest May 12 on record since at least 2013.

Prince Edward Island it is also among the Atlantic provinces placed under extended heat warnings this weekend.

And on July 5, a record-breaking heat wave hit the Yukon and the Northwest Territories.

Temperatures hovered around 30C across large swaths of the territories, with records broken in areas above the Arctic Circle, including Inuvik, NWT. The temperature reached 31.8 C there, breaking the previous record of 29.5 C set in 1998.

On July 4, Carmacks, located between Whitehorse and Dawson City, Yukon, reached 31.8 C, almost three degrees higher than the record set in 2021.

With archives from CTV News and The Canadian Press

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