TORONTO – It was the hottest July 21 ever in many communities across southern and eastern Ontario and southern Quebec as the scorching heat and sweltering humidity sent thermometers soaring.
Environment Canada says a new all time July record maximum temperature of 37.9 C was set at Pearson airport, breaking the previous July record of 37.6 C set in 1988.
Twenty-seven other recording stations across Ontario saw their previous July 21 records broken during the swelteringly hot day.
The hottest temperature recorded Thursday anywhere in Ontario was a scorching 38.5 C in Grimsby, in the Niagara region.
Humidex values peaked in the mid- to upper 40s across Ontario and Quebec, with one climate station in downtown Toronto recording a humidex of nearly 51 C at 3 p.m.
Extreme heat and humidity warnings are slowly being called off as a weak front moves though, sweeping out the sultry air mass, Environment Canada said in a statement.
In Sherbrooke, Que., Thursday was the hottest July 21 the city had seen since 1919, when it was 32.2 C. The temperature reached 32.9 C in the city on Thursday.
The weather service had predicted temperatures as hot as 39 C in Windsor, Ont., but the hottest southern border city got was 37.6 C.
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Among the single-day July 21 records broken Thursday, many of them from a hot spell in 1955:
– Sarnia, Ont., reached 36.1 C, breaking the old record of 33.9 C from 1957
– Harrow, Ont., reached 37.8 C, breaking the old record of 37.2 C from 1930
– Point Pelee, Ont., reached 32.8 C, breaking the old record of 32.4 C from 2002
– London, Ont., reached 36.7 C, breaking the old record of 36.1 C from 1918
– Delhi, Ont., reached 36.3 C, breaking the old record of 34.4 C from 1955
– Woodstock, Ont., reached 35 C, breaking the old record of 33.3 C from 1955
– Kitchener, Ont., reached 35.7 C, breaking the old record of 35.6 C from 1955
– Hamilton’s Mount Hope station reached 36.4 C, breaking the old record of 35.6 C from 1955
– Vineland, Ont., reached 37.4 C, breaking the old record of 36.1 C from 1955
– Grimsby, Ont., reached 38.5 C, breaking the old record of 36.1 C from 1955
– Toronto’s Pearson airport station reached 37.9 C, breaking the old record of 35.6 C from 1955
– Toronto’s Buttonville airport station reached 37 C, breaking the old record of 33.8 C from 2005
– Toronto’s downtown station reached 38.2 C, breaking the old record of 34.4 C from 1955
– Toronto’s island airport station reached 36.5 C, breaking the old record of 32.4 C from 1987
– Oshawa, Ont., reached 37.1 C, breaking the old record of 35.6 C from 1955
– Kingston, Ont., reached 32.6 C, breaking the old record of 32.2 C from 1964
– Petawawa, Ont., reached 35.7 C, breaking the old record of 35.6 C from 1955
– Borden, Ont., reached 36.3 C, breaking the old record of 33.4 C from 2005
– Algonquin Park reached 34 C, breaking the old record of 33.9 C from 1955
– Collingwood, Ont., reached 33.9 C, breaking the old record of 32.5 C from 1998
– Peterborough, Ont., reached 35.4 C, breaking the old record of 35 C from 1918
– Goderich, Ont., reached 32.5 C, breaking the old record of 32.2 C from 1916
– Guelph, Ont., reached 34.7 C, breaking the old record of 34.4 C from 1955
– Montreal reached 35.6 C, breaking the old record of 35 C from 1955
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