Toronto enjoys a relatively mild climate, at least compared to the rest of Canada. In the summer, temperatures can climb to above 30°C, though the average is 23°C (73 F). In the winter the temperature can drop down around -10 or -15°C, though the average temperature is -6°C; the city is usually hit with two or three big snowstorms per winter.
Weather information is available by calling the following number: 661-0123
Visiting Ontario during the two "main" seasons (summer and winter) is like visiting two totally different countries, with the seasons influencing not only the scenery, but also the lifestyles and behaviour of the local population.