Weather Forecast and Radar for Markham, Ontario

Weather in Markham, ON

Markham, Ontario experiences a variety of weather year-round. Summers in the city tend to be warm and humid, with temperatures generally ranging from 18-25°C. July and August are the hottest months of the year, with temperatures often reaching as high as 30°C. Winters in Markham are typically cold and snowy, with temperatures ranging from -10 to 0°C. January is the coldest month of the year, with temperatures often dropping below -15°C. Spring and autumn are generally mild and pleasant, with temperatures ranging from 10-20°C. Markham receives an average of approximately 830 mm of precipitation throughout the year, with most of it falling between May and September.

Fast Facts About Markham, ON

As of 2020, the city population is 328966.

Major Cities Nearby Markham, ON

This map shows the current & 7-day weather forecast, weather alerts, and weather radar for Markham, Ontario.