January weather forecast and climate
Toronto, Canada

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
January in Toronto is one of the coldest months of the year. Generally, most days are cold, snowy and the temperatures remain in the freezing range of -5°C (23°F) and 0°C (32°F). The nights get even colder with the dominant blizzard as the temperatures drop below -5°C (23°F).
With only three hours of sunshine per day, most afternoons experience cold rain showers that make the weather feel even colder. There are approximately six and a half days of rain in January, collecting an average of 40.6mm (1.6") in precipitation. There are up to twelve and a half days of snowfall in January with an approximately 370.8mm (14.6") accumulation of snow, the highest record of the year.

What is the coldest month in Toronto?

January is the coldest month in Toronto, with an average high-temperature of -0.7°C (30.7°F) and an average low-temperature of -6.7°C (19.9°F).

What is the temperature in January in Toronto?

The average high-temperature, in January, in Toronto, Canada, is -0.7°C (30.7°F), while the average low-temperature is -6.7°C (19.9°F).

How much does it rain in Toronto in January?

In Toronto, in January, during 5.4 rainfall days, 29.1mm (1.1") of precipitation is typically accumulated.

What is the driest month in Toronto?

January is the month with the least rainfall in Toronto. Rain falls for 5.4 days and accumulates 29.1mm (1.1") of precipitation.

How many days does it snow in January in Toronto?

In Toronto, Canada, in January, during 12 snowfall days, 372mm (14.6") of snow is typically accumulated.

What is the snowiest month in Toronto?

January is the month with the most snowfall in Toronto, Canada. Snow falls for 12 days and accumulates 372mm (14.6") of snow.

What is the water 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 very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.

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

In Toronto, the average length of the day in January is 9.4h.

How many hours of sunshine does Toronto have in January?

In Toronto, the average sunshine in January is 2.8h.

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

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

What is the UV index intensity in January in Toronto?

In January, the average daily maximum UV index in Toronto, Canada, is 1. A UV Index value of 2, and less, symbolizes a low health threat from the exposure to the Sun's UV rays.
Average temperature in January - Toronto, Canada
  • Average high temperature in January: -0.7°C

The warmest month (with the highest average high temperature) is July (26.6°C).
The month with the lowest average high temperature is January (-0.7°C).

  • Average low temperature in January: -6.7°C

The month with the highest average low temperature is July (18°C).
The coldest month (with the lowest average low temperature) is January (-6.7°C).

Average rainfall in January - Toronto, Canada
  • Average rainfall in January: 29.1mm

The wettest month (with the highest rainfall) is September (84.7mm).
The driest month (with the lowest rainfall) is January (29.1mm).

Average rainfall days in January - Toronto, Canada
  • Average rainfall days in January: 5.4 days

The month with the highest number of rainy days is May (12.7 days).
The month with the lowest number of rainy days is February (4.8 days).

Average snowfall in January - Toronto, Canada
  • Average snowfall in January: 372mm

The month with the highest snowfall is January (372mm).
Months with the lowest snowfall are May, June, July, August and September (0mm).

Average snowfall days in January - Toronto, Canada
  • Average snowfall days in January: 12 days

The month with the highest number of snowfall days is January (12 days).
Months with the lowest number of snowfall days are May, June, July, August and September (0 days).

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).

Average daylight in January / Average sunshine in January - Toronto, Canada
  • Average daylight in January: 9.4h

The month with the longest days is June (Average daylight: 15.4h).
The month with shortest days is December (Average daylight: 9h).

  • Average sunshine in January: 2.8h

The month with most sunshine is July (Average sunshine: 9h).
The month with least sunshine is December (Average sunshine: 2.5h).

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

Months with the highest UV index are June and July (UV index 8).
Months with the lowest UV index are January and December (UV index 1).

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