Friday, October 4th 2019, 1:02 pm - Sooner rather than later it will be time to put on the winter tires.
While southern Ontario is in the early stages of autumn and the leaves on trees are still changing colour, many are excitedly anticipating (or bracing) for what inevitably comes with the cooling temperatures - snow.
October is a transitional month with a wide variety of weather conditions and snow before the official start of the winter season is not out of the question.
Normal daytime high temperatures can drop by as much as 10 degrees Celsius from October 1 to the end of the month and there have been times when it has snowed on Halloween, which Sudbury experienced in 2014. The following day snow showers passed through the GTA and made for a snowy start to November.
Submitted by Jim Middleton, North Bay
WHEN COULD IT SNOW FOR THE FIRST TIME THIS YEAR?
The jet stream is expected to dive to the south bringing cold air eastward into Ontario during the Thanksgiving weekend, but the pattern is expected to rebound shortly after this.
By the end of the month, a colder pattern is expected to lock in over Ontario. The incoming frigid temperatures will bring the risk for snowfall, especially as we head towards November 1.
Weather Network meteorologists Jaclyn Whittal and Kelly Sonnenburg took a look at historical data over the past five years to find out when residents in Ontario can normally expect their first accumulating snowfall, which can be seen in the video above.
In general, areas north of the Nickel Belt can expect to see measurable snow by mid to late September, while central Ontario has the potential to see snowfall by mid to late October.
For southern Ontario, most people won't likely see their first accumulating snowfall until late October or November, however, anyone that lives within the Snowbelt regions knows that lake-effect snow can sometimes arrive earlier than this.
For more on what to expect from this fall season, click here for our official 2019 Fall Forecast.