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Knowing a bit about Toronto weather conditions will help you make better decisions when packing and possibly save you from having to buy necessities you hadn't anticipated - especially when you haven't prepared properly for the cold.
Toronto has four distinct seasons: summer, fall, winter and spring, much like other North American cities like Montreal, Chicago or New York City. In general, Toronto's climate is slightly more moderate than Montreal and similar but colder than New York City.
The most common errors are misjudgements in how cold and snowy Toronto is in winter and how hot and humid the summers are. Even in fall and spring, visitors have a tendency to not pack sufficiently for cool evenings. When that sun disappears, things can get chilly.
For more specific weather information, see our month by month weather & event calendars.
01 of 04
Toronto Weather - Winter
Toronto weather in winter is in fact milder than most Canadian cities, yet still cold and snowy. The cold can be especially biting because of the wind-chill factor.
Most snowfall occurs from December through March, with an annual average of 133 cm (52 in). Snowstorms can be sudden and intense and affect traffic and air travel.
Sidewalks can get quite icy during the winter, so proper footwear is recommended, which means boots with proper non-slip soles.
Other items visitors may want to pack are warm, waterproof clothing and accessories like hat, mitts, scarf, sunglasses (glare from snow can be intense), umbrella. If you are planning on spending any recreational time in the snow, you will need snow pants.
Read more about How to Dress for Winter.
Average Toronto Temperatures for January
Average temperature: -6ºC / 21ºF
Average high: -2ºC / 28ºF
Average low: -10ºC / 14ºF
02 of 04
Toronto Weather - Spring
Toronto's spring is unpredictable and may see drastic swings in temperature. A sudden snowstorm in April is not unheard of, but a thunderstorm is more common. Temperatures can even get into the 30s°C (85+°F). Visitors can expect at least some rain about 11 days out of 30 in April.
From the end of March to mid-June, visitors should pack a variety of clothes - layering is always best - as are waterproof jackets and shoes and an umbrella.
Average Toronto Temperatures for April
Average temperature: 6ºC / 43ºF
Average high: 11ºC / 52ºF
Average low: 1ºC / 34ºF
03 of 04
Toronto Weather - Summer
Toronto summers are hot and humid. The effect of Lake Ontario cools the city a bit, but also brings the humidity. Temperatures hover in the 80s and sometimes 90s. Expect rain about 8 to 12 days a month in July or August.
Be sure to pack shorts, t-shirts, sandals, sunglasses, sunscreen, a light jacket for evening and an umbrella.
Average Toronto Temperatures for July
Average July temperature: 21ºC / 68ºF
July average high: 24ºC / 80ºF
July average low: 16ºC / 60ºF
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Toronto Weather - Fall
Temperatures rarely dip below zero, but you'll want to bring a warm jacket, as more often than not, the temperature won't reach double digits.
September to November are wild card months in that early fall weather can be hot and sunny and later in the season can see snow storms or icy conditions.
Cool fall weather means gorgeous foliage and Toronto is a prime spot for viewing. Bring clothing that can be layered as temperatures can be unpredictable.
Average Toronto Temperatures for October
Average October temperature: 9ºC / 48ºF
October average high: 14ºC / 57ºF
October average low: 4ºC / 39ºF