When asked if Toronto … See also. The last time May 11 saw snow was exactly 30 years ago. According to Cheng, May 23, 1963 was the latest in the calendar year it snowed in Toronto. One of the reasons why Toronto is the biggest city in Canada is because of it’s Environment that it’s situated in. If you look on a map of Canada you’ll see how far south it is compared to the rest of Canada. May is a rainy month across Canada, and not just in Vancouver which is infamous for its overcast and constant sprinkling that is typical of the Pacific Northwest. Toronto and Montreal may have warmer and sunnier days, but nighttime temperatures can still drop to uncomfortably cold numbers. Light snow coated the ground in High Point State Park in Wantage Saturday morning, May 9, 2020. 2:03 Durham residents prepare for flooding during pandemic This tied the second latest spring snowfall on record in New Jersey. The snow in Toronto may be making for quite the frustrating commute home, but we must admit that it makes for one amazing sight. The May forecast points to a very chilly month across Ontario and Quebec, with most of that cold hitting in the next couple weeks. The latest was May … You can track the City of Toronto's snow removal operations in real time (MAP) Pearson cancels over 200 flights as winter storm hammers Toronto Combined with record-shattering temperatures , alerts of all kinds , and cancellations at both airports and schools , and yesterday was a long one for anyone living in Ontario. Get the monthly weather forecast for Toronto, Ontario, Canada, including daily high/low, historical averages, to help you plan ahead.