October 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 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. It's a special time for culinary enthusiasts who anticipate hearty comfort food that accompanies the fall season. As the weather cools, warm apple cider and pumpkin-spiced treats start making their appearance.

Temperature

The arrival of October corresponds with a shift in temperature, down from a pleasant 20.9°C (69.6°F) in September to a refreshing 14°C (57.2°F). Toronto witnesses a consistent average low-temperature of 8.8°C (47.8°F) throughout October.

Humidity

In October, the average relative humidity in Toronto, Canada, is 76%.

Rainfall

In Toronto, during October, the rain falls for 14 days and regularly aggregates up to 39mm (1.54") of precipitation. Throughout the year, there are 136.8 rainfall days, and 420mm (16.54") of precipitation is accumulated.

Snowfall

In Toronto, snow does not fall in May through October.

Sea temperature

In Toronto, in October, the average water temperature is 14.1°C (57.4°F).
Note: With an efficient thermal swimsuit, one can navigate 14.1°C (57.4°F) even if it's colder than 10°C (50°F); otherwise, rapid cold shock and breathlessness might set in. Barely wading at 13°C (55.4°F) feels chilly.

Daylight

In October, the average length of the day is 11h and 0min.
On the first day of the month, sunrise is at 7:15 am and sunset at 6:57 pm. On the last day of October, sunrise is at 7:52 am and sunset at 6:09 pm EDT.

Sunshine

In Toronto, the average sunshine in October is 4.9h.

UV index

In Toronto, the average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 3 during October leads to these instructions:
Exercise prevention - Warding off sunburn is urged. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

What are the temperatures in Toronto in October?

Toronto in October has an average high-temperature of 14°C (57.2°F) and an average low-temperature of 8.8°C (47.8°F).

What is the average humidity in October in Toronto?

In October, the average relative humidity in Toronto, Canada, is 76%.

How much does it rain in Toronto in October?

In Toronto, Canada, in October, it is raining for 14 days, with typically 39mm (1.54") of accumulated precipitation.

When it does not snow in Toronto?

In Toronto, snow does not fall in May through October.

Does it snow in Toronto in October?

In Toronto, Canada, in October, it doesn't snow. In November, it regularly snows.

What is the water temperature in October in Toronto?

In October, the average sea temperature in Toronto is 14.1°C (57.4°F). Swimming in 14.1°C (57.4°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

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

The average day length in October in Toronto, Canada, is 11h and 0min.

When is the sunrise / sunset in October in Toronto?

In October, on the first day of the month, sunrise is at 7:15 am and sunset at 6:57 pm. On the last day of the month, in Toronto, Canada, sunrise is at 7:52 am and sunset at 6:09 pm EDT.

How long on average sun shines in October in Toronto?

In October, the average sunshine duration in Toronto, Canada, is 4.9h.

How high is the UV index in October in Toronto?

In Toronto, Canada, the average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in October
Toronto, Canada

Average temperature in October - Toronto, Canada
  • Average high temperature in October: 14°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 October: 8.8°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 October
Toronto, Canada

Average pressure in October - Toronto, Canada
  • Average pressure in October: 1015.5mbar

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 October
Toronto, Canada

Average wind speed in October - Toronto, Canada
  • Average wind speed in October: 17.3km/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 October
Toronto, Canada

Average humidity in October - Toronto, Canada
  • Average humidity in October: 76%

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 October
Toronto, Canada

Average rainfall in October - Toronto, Canada
  • Average rainfall in October: 39mm

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 October
Toronto, Canada

Average rainfall days in October - Toronto, Canada
  • Average rainfall days in October: 14 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 October
Toronto, Canada

Average snowfall in October - Toronto, Canada
  • Average snowfall in October: 0mm

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 October
Toronto, Canada

Average snowfall days in October - Toronto, Canada
  • Average snowfall days in October: 0.4 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 October
Toronto, Canada

Average sea temperature in October - Toronto, Canada
  • Average sea temperature in October: 14.1°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 October /
Average sunshine in October
Toronto, Canada

Average daylight in October / Average sunshine in October - Toronto, Canada
  • Average daylight in October: 11h and 0min

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 October: 4h and 5min

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 October
Toronto, Canada

Average sunshine days in October - Toronto, Canada
  • Average sunshine days in October: 13.9 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 October
Toronto, Canada

Average UV index in October - Toronto, Canada
  • Average UV index in October: 3

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 October
Toronto, Canada

Average cloud cover in October - Toronto, Canada
  • Average cloud cover in October: 47

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 October
Toronto, Canada

Average visibility in October - Toronto, Canada
  • Average visibility in October: 10km

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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