Toronto's Climate
Toronto has a humid continental climate with four distinct seasons, moderated somewhat by Lake Ontario. Winters (December–March) are cold and snowy, with temperatures usually below freezing and dipping to -15°C or lower when Arctic winds arrive, and snow accumulates substantially. Summers (June–August) are warm and humid, with daytime highs around 26–30°C, occasional thunderstorms and heatwaves. Spring and autumn are pleasant transitions, with fall famed for vivid red and gold foliage. This page offers an hourly and 14-day forecast plus detailed metrics for humidity, wind, UV index and air quality (AQI).