Record-breaking snowfall measured at Toronto Pearson Airport

A record-breaking snowfall blanketed Toronto Pearson Airport on Sunday.

A large and strong low-pressure system brought the heavy snow across the Greater Toronto Area and southern Ontario on Sunday.

Of note was the record-breaking snowfall total at Toronto Pearson Airport, Environment and Climate Change Canada said in its weather summary early on Monday.

“The daily total snowfall of 46 cm Sunday is the highest daily total snowfall on record,” Environment Canada said.

This brings the January 2026 snowfall total to 88.2 centimetres, which is the snowiest January and snowiest month since records began in 1937, the weather summary noted.

Flight-tracking site FlightAware said more than 500 flights were cancelled at Pearson Airport on Sunday. More cancellations and delays are expected on Monday, Pearson officials said on X.

Here are some of the snowfall totals in centimetres as of 5 a.m. on Monday:

• Toronto City Centre 56
• Toronto Pearson Airport 46
• Trenton 42
• Belleville 34
• Ontario Storm Prediction Centre Downsview 32 (5:30 p.m. Sunday)
• Vineland 20
• London 17
• Uxbridge 17
• Kingston 15
• Harrow 14
• Peterborough 11
• Delhi 10
• Ottawa 10
• Brockville 7
• Egbert 5
• Moose Creek Wells 4

The following are snowfall amounts across southern Ontario from volunteers and social media as of 10 p.m.:

• Toronto 40 to 60
• Mississauga – Milton 30 to 46
• Waterdown 30 (5 p.m. Sunday)
• Brampton 18 (1 a.m.)
• Burlington 15 to 30 (7.10 p.m. Sunday)
• Kitchener Stanley Park 10 to 15

Lead photo: Toronto Pearson Airport screen shot