Waterloo Region saw some of its coldest and hottest temperatures on record last year, with back-breaking snow bookending a summer of heatwaves and wildfire warnings, experts said.
July and August’s scorching weather followed a colder-than-usual spring, during which some crops were damaged and others had to be planted later than usual.
A warmer fall, with many dry, sunny days between late-September and the end of October, also helped make 2025 a meteorologically topsy-turvy year, University of Waterloo researchers noted.
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