Climate and monthly weather forecast
Toronto, Canada

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Colorfully lit night city of Toronto, Canada, with a view of the Nathan Phillips Square, and a large Toronto sign
Colorfully lit night city of Toronto, Canada, with a view of the Nathan Phillips Square, and a large Toronto sign

The climate of Toronto

Situated on the northwestern shore of Lake Ontario, Toronto falls under the Köppen climate classification Dfb. The city's weather is predominantly a Humid continental type, implying the presence of no dry season, but with a warm summer. The influence of this classification delineates Toronto's characteristic weather variations throughout the year.

The year in Toronto witnesses a significant change in temperature, moving from a chilling -2.3°C (27.9°F) in January to a comfortable 24.8°C (76.6°F) in July. The lowest recorded temperature is -7°C (19.4°F) in January, reinforcing the city's cold start to the year. However, there is relief when the mercury soars to 18.4°C (65.1°F) during the nighttime in July.

Regarding the precipitation analysis, July witnesses the maximum rainfall of 53mm (2.09"), while February has the least rainfall of about 19mm (0.75"). Snowfall is a common occurrence in Toronto. January sees the maximum snowfall, receiving up to 57mm (2.24"). However, May to September are snow-free months. Observations further reveal a shifting pattern in cloud cover with January being the overcast month at 67%, while August sees the clearest skies at 26%.

The best time to visit Toronto

Summer emerges as the ideal time for a visit to Toronto. This period from June to August sees high temperatures that range between 20.5°C (68.9°F) to 24.8°C (76.6°F). Alongside these warm days, the city receives extended daylight up to 15.4 hours and 10.8 hours of sunshine in July contributing significantly to the pleasant weather. In addition, humidity levels are moderate during this time, ensuring a comfortable exploration of the city. Moreover, the sea temperature is warmest in July and August, touching highs of 22.3°C (72.1°F), perfect for water sports and boating experiences.

The worst time to visit Toronto

The months from December to February represent the less favorable time to travel to Toronto. The frigid cold conditions are signaled by temperatures plunging as low as -7°C (19.4°F) in January. Limited daylight of 9 hours along with reduced sunshine hours of 3.6 further compound the harshness of winters. Add the high snowfall reaching 57mm (2.24") in January and increased cloud coverage of 67%, and it results in a rather challenging time for travel.

Spring weather in Toronto

Spring is a season of transition in Toronto, characterized by climbing temperatures and increasing daylight hours. Starting from -1.3°C (29.7°F) in February, temperatures surge up to 15.4°C (59.7°F) in May, while daylight length extends from 10.5 hours to 14.7 hours. Rainfall varies across the season, peaking at 48mm (1.89") in May. Remarkably, the city nearly shakes off snowfall with barely 0.2 days of snow in May.

Summer weather in Toronto

Following the spring, the city basks in peak temperatures during the summer, ranging from 20.5°C (68.9°F) in June to 24.5°C (76.1°F) in August. The extended daylight of up to 15.4 hours in June and maximum sunshine hours of 10.8 in July, proves perfect for leisure and outdoor activities. Rain showers become more frequent with rainfall hovering from 47mm (1.85") to 49mm (1.93") across the summer months.

Autumn weather in Toronto

Autumn months see a reversal from the peak summer temperatures. Starting from 20.9°C (69.6°F) in September, temperatures tumble to 1.4°C (34.5°F) by December. Likewise, daylight hours decrease from 12.5 hours in September to 9 hours in December. Autumn months are mixed in terms of rainfall, peaking at 39mm (1.54") in October before falling to 23mm (0.91") in December.

Winter weather in Toronto

Winter in Toronto is exceptionally cold with temperatures hitting lows of -7°C (19.4°F) in January. Paired with reduced daylight hours, just 9 in December, and minimal sunshine hours, the city experiences harsh winter conditions. Interestingly, the lowest sea temperature also coincides with the winter months, dipping to 1.9°C (35.4°F) in February. Furthermore, the city blankets under significant snowfall, hitting a maximum of 57mm (2.24") in January, reinforcing the season's harshness.

Weather in January

This time of year in Toronto, Canada, is marked by low temperatures with the temperature dropping between -7°C (19.4°F) and -2.3°C (27.9°F). The city is blanketed in snow, reminiscent of a winter wonderland. Commuting may become difficult as the streets can be slippery due to a substantial amount of snowfall. Weather in January »

Weather in February

Some relief from the cold becomes apparent in February, with the low temperatures slightly climbing compared to last month. However, snowfall remains steady, so it is still very much a winter month in Toronto. It’s a great time to participate in winter sports, hence those fond of outdoor winter activities such as skating and skiing find it an enjoyable period. Weather in February »

Weather in March

March brings along additional relief from the cold while envisioning the onset of spring. This bridge period between winter and spring showcases climatic fluctuations due to the changing season. Snowfall decreases markedly from February and occasional spring rain showers can be expected. Weather in March »

Weather in April

As the temperature swings from -2.2°C (28°F) to 8.8°C (47.8°F), spring becomes more apparent in Toronto in April. Flowers start to bloom and days become noticeably longer. Winter jackets give way to lighter outerwear and streets fill up with residents and tourists soaking up the improving weather. Weather in April »

Weather in May

The gradual warming trend continues into May, with the transition into summer well on its way. With more outdoor activities available, the city feels alive with street fairs, art shows, and al fresco dining. Both locals and tourists flock to the numerous parks and nearby trails for walks, bike rides, and picnics. Weather in May »

Weather in June

June in Toronto means the arrival of summer and temperatures can go up to 20.5°C (68.9°F). The city gloriously basks in the warmth and long daylight hours. Classes are on a break, leading to city parks and playgrounds teeming with children. Weather in June »

Weather in July

July is the hottest month in Toronto, with the average high temperature reaching 24.8°C (76.6°F). Locals and tourists embrace the glorious sunshine and engage in outdoor pursuits. Whether it's visiting Toronto's famous Canada's Wonderland amusement park, taking a ferry ride to the Toronto Islands, or attending outdoor concerts, there's no shortage of summer activities. Weather in July »

Weather in August

August remains hot, although the temperature slightly reduces from July, making it more pleasant. This marks the peak tourism month for Toronto, with visitors making the most of the summer sun and exploring the city's cultural and architectural wealth. Weather in August »

Weather in September

As September comes around, temperatures start to cool down, signifying the onset of fall in Toronto. The city goes through a picturesque transformation with leaves turning crisp and colourful. Cultural events, notably the Toronto International Film Festival, make this month quite vibrant. Weather in September »

Weather in October

October sees a sharp decline in temperature from the previous month, marking the mid-fall season in Toronto. Golden hues of falling leaves create enchanting landscapes within the city. The month is peppered with Halloween-themed events around the city, transforming popular spots into festive venues. Weather in October »

Weather in November

November is the transition month from fall to winter in Toronto, with decreasing temperature variables. As the temperature fluctuates from 2.4°C (36.3°F) to 7.1°C (44.8°F), a wintery chill permeates the air. With fewer daylight hours, evenings become significantly colder. Weather in November »

Weather in December

December ushers in the winter season in Toronto, painting the city white with substantial snowfall depths. Coat-clad residents prepare for the holidays amidst a heartwarming, festive vibe. Throughout this month, holiday markets, ice skating rinks, and elaborate light displays attract thousands. Weather in December »
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Frequently asked questions

What are the coldest months in Toronto?

January stands out as Toronto's coldest month, with an average high-temperature of -2.3°C (27.9°F) and a low-temperature of -7°C (19.4°F).

What is the most humid month in Toronto?

January and February, with an average relative humidity of 83%, are most humid months.

How many days does it rain in Toronto?

In Toronto, Canada, during the entire year, the rain falls for 136.8 days and collects up to 420mm (16.54") of precipitation.

When does it snow in Toronto?

January through April, November and December are months with snowfall in Toronto, Canada.

What is the snowiest month in Toronto?

The month with the most snowfall is January, when snow falls for 11.9 days and typically aggregates up to 57mm (2.24") of snow.

How many days does it snow in Toronto?

Throughout the year, in Toronto, there are 45.6 snowfall days, and 223mm (8.78") of snow is accumulated.

What is the month with the least sunshine in Toronto?

With an average of 3.2h of sunshine, January has the least sunshine of the year in Toronto.

What are the months with the lowest UV index in Toronto?

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Toronto, Canada.

What is the driest month in Toronto?

The month with the least rainfall in Toronto, Canada, is February, when the rain falls for 5.6 days and typically collects 19mm (0.75") of precipitation.

What is the month with the coldest sea water in Toronto?

The month with the coldest seawater in Toronto is March, with an average sea temperature of 1.9°C (35.4°F).

When is Daylight Saving Time (DST) in Toronto?

On Sunday, 10. March 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends on Sunday, 03. November 2024, at 2:00 am, and the time zone reverts from EDT to EST.

When it does not snow in Toronto?

May through October are months without snowfall in Toronto, Canada.

When are the longest days in Toronto?

With an average of 15h and 24min of daylight, June has the longest days of the year in Toronto.

What are the warmest months in Toronto?

With average high temperatures of 24.8°C (76.6°F) and lows of 18.4°C (65.1°F), July is the warmest month in Toronto.

What is the wettest month in Toronto?

The month with the most rainfall in Toronto is July, when the rain falls for 15.9 days and typically aggregates up to 53mm (2.09") of precipitation.

What month has the most sunshine in Toronto?

July has the most sunshine of the year, with an average of 10.8h of sunshine.

What is the month with the highest UV index in Toronto?

July and August, with an average maximum UV index of 6, are months with the highest UV index.

What are the least humid months in Toronto?

The months with the lowest humidity are August and September, with an average relative humidity of 74%.

When is the sea warmest in Toronto?

August is the month with the warmest seawater in Toronto, Canada, with an average sea temperature of 22.3°C (72.1°F).

What is the month with the shortest days in Toronto?

December has the shortest days of the year in Toronto, with an average of 9h and 0min of daylight.

Average temperature
Toronto, Canada

Average temperature - Toronto, Canada

The warmest month (with the highest average high temperature) is July (24.8°C).
The month with the lowest average high temperature is January (-2.3°C).

The months with the highest average low temperature are July and August (18.4°C).
The coldest month (with the lowest average low temperature) is January (-7°C).

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Average pressure
Toronto, Canada

Average pressure - Toronto, Canada

The month with the highest atmospheric pressure is March (1018.4mbar).
The month with the lowest atmospheric pressure is June (1013.1mbar).

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Average wind speed
Toronto, Canada

Average wind speed - Toronto, Canada

The windiest month (with the highest average wind speed) is January (19.5km/h).
The calmest month (with the lowest average wind speed) is July (11.7km/h).

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Average humidity
Toronto, Canada

Average humidity - Toronto, Canada

The months with the highest relative humidity are January and February (83%).
The months with the lowest relative humidity are August and September (74%).

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Average rainfall
Toronto, Canada

Average rainfall - Toronto, Canada

The wettest month (with the highest rainfall) is July (53mm).
The driest month (with the least rainfall) is February (19mm).

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Average rainfall days
Toronto, Canada

Average rainfall days - Toronto, Canada

The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is February (5.6 days).

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Average snowfall
Toronto, Canada

Average snowfall - Toronto, Canada

The month with the highest snowfall is January (57mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

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Average snowfall days
Toronto, Canada

Average snowfall days - Toronto, Canada

The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature
Toronto, Canada

Average sea temperature - Toronto, Canada

The best month for swimming (with the highest average sea temperature) is August (22.3°C).
The coldest month (with the lowest average sea temperature) is March (1.9°C).

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Average daylight / Average sunshine
Toronto, Canada

Average daylight / Average sunshine - Toronto, Canada

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

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Average sunshine days
Toronto, Canada

Average sunshine days - Toronto, Canada

The month with the most sunshine days is March (16.2 days).
The month with the least sunshine days is July (12.8 days).

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Average visibility
Toronto, Canada

Average visibility - Toronto, Canada

The months with the highest visibility are June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, May, November and December (9km).

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Toronto, Canada

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