October weather forecast
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

Weather in October

October, like September, is a moderate autumn month in Toronto, Canada, with temperature in the range of an average high of 14°C (57.2°F) and an average low of 8.8°C (47.8°F).

Temperature

In Toronto, the average high-temperature decreases, from a pleasant 20.9°C (69.6°F) in September, to a moderate 14°C (57.2°F). In October, the average low-temperature is 8.8°C (47.8°F).

Humidity

In Toronto, the average relative humidity is 76%.

Rainfall

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

Snowfall

In Toronto snow does not fall in May through October.

Sea temperature

In Toronto, the average seawater temperature is 14.1°C (57.4°F).
Note: 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.

Daylight

The average length of the day in Toronto is 11h.

Sunshine

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

UV index

In October, the average daily maximum UV index in Toronto is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to the UV radiation for the average person.
Note: The average daily UV index of 3 in October transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in October in Toronto?

In October, the average relative humidity is 76%.

How much does it rain in Toronto in October?

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

When it does not snow in Toronto?

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

Does it snow in Toronto in October?

In Toronto, 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.

How many hours of daylight does Toronto have in October?

In October, the average length of the day in Toronto is 11h.

How long on average sun shines in October in Toronto?

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

What is the UV index reading in October in Toronto?

The average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV rays.

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

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%

Months with the highest relative humidity are January and February (83%).
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).
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).
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

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

  • Average sunshine in October: 4.9h

The month with the most sunshine is July (Average sunshine: 10.8h).
The month with the least sunshine is January (Average sunshine: 3.2h).

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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

Months with the highest UV index are July and August (UV index 6).
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

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

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