Are the single-digit days finally behind us in southern Ontario?

Now that the calendar says May, and we inch closer to the unofficial kick-off to summer on the May long weekend, many southern Ontarians are likely wondering if the warmer weather is finally here to stay. Especially after recent record rains, spring snow, and even frost advisories that spanned parts of the region this season.

Can we officially say goodbye to the chilly, single-digit daytime highs?

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"The catch is, May is still technically a spring month, though normal temperatures will indeed start to increase throughout the month," says Matt Grinter, a meteorologist at The Weather Network.

Historically speaking, single-digit highs are still possible in May, and even right into June in some years. Looking back, June 2, 1945, was the latest date in the season that the city of Toronto did not reach double-digit temperatures.

The odds for warmer days however, are certainly in your favour the deeper we dive into the month of May.

"Only about eight percent of days don't reach the double-digits during the first half of May, and by the second half of the month, that percentage drops pretty drastically to only one percent," says Grinter.

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By the time the month wraps up this year, most of Ontario will likely tip to the above-average side of the thermometer.

The only concerning timeframe for some cooler conditions will be around the mid-month mark, which shows some signals for troughing, and a brief pause on the increasing temperatures.

"Chances are still pretty good that the single-digit temperatures are now in our rearview mirror until after summer," Grinter adds.