October 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
October, like September, is another mild autumn month in Toronto, Canada, with average temperature varying between 8.8°C (47.8°F) and 14°C (57.2°F).

Temperature

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

Humidity

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

Rainfall

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

Snowfall

May through October are months without snowfall in Toronto.

Sea temperature

In Toronto, the average water 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 is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 3 transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in October in Toronto?

The average high-temperature, in October, in Toronto, is 14°C (57.2°F), while the average low-temperature is 8.8°C (47.8°F).

What is the average humidity in October in Toronto?

In Toronto, the average relative humidity in October 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.

Does it snow in Toronto in October?

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

When it does not snow in Toronto?

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

What is the sea water temperature in October in Toronto?

In Toronto, Canada, in October, the average water temperature 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?

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

How many hours of sunshine does Toronto have in October?

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

What is the UV index intensity in October in Toronto?

In Toronto, the average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from the exposure to the Sun's UV radiation.
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).

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).

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).

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%).

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).

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).

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).

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).

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).

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).

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).

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).

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).

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).