When Does Winter Start 2024 Canada Weather. Environment canada says a new fall storm will bring winds gusting up to 110 km/h to british columbia's coast friday, potentially causing more outages and travel disruption.the. The astronomical start of winter begins with the winter solstice on saturday, december 21, 2024.

We will first look at the leading global weather driver for the upcoming weather seasons, the cold la niña in the pacific, and its expected background influence on the winter. First day of winter 2024 (winter solstice):