January 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

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. Residents of Toronto who prefer milder temperatures might find this month particularly challenging. Social activities might be limited, but it's perfect for indoor gatherings and enjoying hot chocolates by the fireplace.

Temperature

January, marked by an average high-temperature of -2.3°C (27.9°F) and a low-temperature of -7°C (19.4°F), is the coldest month in Toronto, Canada.

Humidity

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

Rainfall

In Toronto, Canada, in January, it is raining for 5.9 days, with typically 27mm (1.06") of accumulated precipitation. In Toronto, during the entire year, the rain falls for 136.8 days and collects up to 420mm (16.54") of precipitation.

Snowfall

January through April, November and December are months with snowfall in Toronto. January is the month with the most snowfall. Snow falls for 11.9 days and accumulates 57mm (2.24") of snow.

Sea temperature

In Toronto, in January, the average water temperature is 2.8°C (37°F).
Note: Within the context of swimming, this state is extremely cold, dangerous, and can result in death. Hypothermia happens quickly in the absence of protective insulated waterproof clothing.

Daylight

In Toronto, the average length of the day in January is 9h and 23min.
On the first day of January in Toronto, Canada, sunrise is at 7:50 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 5:26 pm EST.

Sunshine

The month with the least sunshine in Toronto is January, with an average of 3.2h of sunshine.

UV index

The months with the lowest UV index in Toronto, Canada, are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 1 in January interprets into the following recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
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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).

How cold is January in Toronto?

The high-temperature, in January, in Toronto, is -2.3°C (27.9°F), while the low-temperature averages to -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.

What is the average humidity in January in Toronto?

In January, the average relative humidity is 83%.

How many days does it rain in January in Toronto?

In Toronto, Canada, during January, the rain falls for 5.9 days and regularly aggregates up to 27mm (1.06") of precipitation.

What is the snowiest month in Toronto?

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

How much does it snow in Toronto in January?

In Toronto, Canada, during January, snow falls for 11.9 days and regularly aggregates up to 57mm (2.24") of snow.

What is the sea temperature in January in Toronto?

In Toronto, Canada, in January, the average water temperature is 2.8°C (37°F). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

What is the average length of the day in January in Toronto?

The average day length in January is 9h and 23min.

When are sunrise and sunset in January in Toronto?

In January, on the first day of the month, sunrise is at 7:50 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 5:26 pm EST.

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, Canada.

How many hours of sunshine does Toronto have in January?

In January, the average sunshine duration in Toronto, Canada, is 3.2h.

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.

How high is the UV index in January in Toronto?

The average daily maximum UV index in January in Toronto, Canada, is 1. A UV Index of 2, and less, symbolizes a low health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Toronto, Canada

Average temperature in January - Toronto, Canada
  • Average high temperature in January: -2.3°C

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).

  • Average low temperature in January: -7°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 in January
Toronto, Canada

Average pressure in January - Toronto, Canada
  • Average pressure in January: 1017.1mbar

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 in January
Toronto, Canada

Average wind speed in January - Toronto, Canada
  • Average wind speed in January: 19.5km/h

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 in January
Toronto, Canada

Average humidity in January - Toronto, Canada
  • Average humidity in January: 83%

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 in January
Toronto, Canada

Average rainfall in January - Toronto, Canada
  • Average rainfall in January: 27mm

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 in January
Toronto, Canada

Average rainfall days in January - Toronto, Canada
  • Average rainfall days in January: 5.9 days

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 in January
Toronto, Canada

Average snowfall in January - Toronto, Canada
  • Average snowfall in January: 57mm

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 in January
Toronto, Canada

Average snowfall days in January - Toronto, Canada
  • Average snowfall days in January: 11.9 days

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 in January
Toronto, Canada

Average sea temperature in January - Toronto, Canada
  • Average sea temperature in January: 2.8°C

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 in January /
Average sunshine in January
Toronto, Canada

Average daylight in January / Average sunshine in January - Toronto, Canada
  • Average daylight in January: 9h and 2min

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).

  • Average sunshine in January: 3h and 1min

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 in January
Toronto, Canada

Average sunshine days in January - Toronto, Canada
  • Average sunshine days in January: 13.6 days

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 UV index in January
Toronto, Canada

Average UV index in January - Toronto, Canada
  • Average UV index in January: 1

The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in January
Toronto, Canada

Average cloud cover in January - Toronto, Canada
  • Average cloud cover in January: 67

The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 26).

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Average visibility in January
Toronto, Canada

Average visibility in January - Toronto, Canada
  • Average visibility in January: 9km

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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