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August bringing the heat after unusually cool July: Environment Canada climatologist

Senior Climatologist David Phillips says this week might go down as the warmest of the year, and it could be capped off by beautiful weather for the weekend.
hot summer day shutterstock

Despite below average temperatures through July, the summer seems to be making a come back this week.

Hot temperatures in mid-August are not unusual for this time of year in Ottawa and the Valley, but Environment Canada Senior Climatologist David Phillips says it is unusual for the heat to follow such a cool July.

"Nature took a holiday in July. We had one day in Ottawa where the temperature got above 30 in July, [ and residents saw] 18 of those suckers last year," he says. "June was warmer than normal, but July was about a degree and a half cooler than normal; more rain than normal, people were thinking 'Oh my gosh, where did the summer go,' well it's come back [this month]."

Phillips says the start of the week is showing a lot of promise for it being the warmest week of the year, as we head into what he calls 40-30-20 weather; 40-humidex, 30-degree weather and 20 degrees overnight. 

"It's that 20 degrees at night that we most feel at this time of the year. You clearly know you're in to the summer heat, the jungle humidity when you get temperatures above 20 and a lot of tossing and turning going on," he says.

When it's hot and humid outside, thunderstorms are not too far away, but just like this week breaking this summer's weather trend, Phillips says the humidity and temperature should cool down enough to make it a perfect weekend.


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