October weather forecast
Mississauga, Canada

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Weather in October

October sees a stark change in climate with the average max temperature taking a steep fall to 14.4°C (57.9°F). Mississauga stands awash with vibrant autumn hues as the cool breeze rustles through the falling leaves. Days are sunnier than in September, but the chill in the air escalates missing the warmth of the summer gone by. Despite the cooling air, rainfall remains high, creating a picture-perfect combination of sunny and rainy days. Preparation for winter starts with a readiness for snowy days and chilling winds.

Temperature

The start of October involves a temperature drop, moving from an agreeable 21.5°C (70.7°F) in September to a moderate 14.4°C (57.9°F). October's average low temperature is a chilly 9.6°C (49.3°F), displaying a subtle drop from its daily peak.

Humidity

In October, the average relative humidity is 75%.

Rainfall

In Mississauga, during October, the rain falls for 18.9 days and regularly aggregates up to 73mm (2.87") of precipitation. In Mississauga, during the entire year, the rain falls for 177.2 days and collects up to 786mm (30.94") of precipitation.

Snowfall

Months with snowfall in Mississauga are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 0.4 snowfall days, it receives 1mm (0.04") of snow. In Mississauga, Canada, during the entire year, snow falls for 58.5 days and aggregates up to 403mm (15.87") of snow.

Sea temperature

In Mississauga, Canada, in October, the average water temperature is 14.3°C (57.7°F).
Note: Swimming in 14.3°C (57.7°F) is deemed hazardous. Exposure to temperatures below 10°C (50°F) leads to immediate severe cold shock and hyperventilation.

Daylight

The average length of the day in October in Mississauga is 11h and 0min.
On the first day of October in Mississauga, sunrise is at 7:16 am and sunset at 6:59 pm. On the last day of the month, sunrise is at 7:53 am and sunset at 6:10 pm EDT.

Sunshine

In October, the average sunshine is 4.7h.

UV index

In October, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum daily UV index of 3 during October morphs into the following directions:
Heed the precautions - It is counselled to guard against solar damage. The solar radiation around mid-day is intense; avoid the Sun and stay safe. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
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Frequently asked questions

What is the average October temperature in Mississauga?

In Mississauga, in October, the average high-temperature is 14.4°C (57.9°F), and the average low-temperature is 9.6°C (49.3°F).

What is the average humidity in October in Mississauga?

In Mississauga, Canada, the average relative humidity in October is 75%.

How much does it rain in Mississauga in October?

In October, in Mississauga, Canada, the rain falls for 18.9 days. Throughout October, 73mm (2.87") of precipitation is accumulated.

When does it start snowing in Mississauga?

October is the first month it typically snows in Mississauga. Throughout October, in the average 0.4 snowfall days, it receives 1mm (0.04") of snow.

How cold is the water in October in Mississauga?

In Mississauga, Canada, in October, the average water temperature is 14.3°C (57.7°F). Swimming in 14.3°C (57.7°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

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

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

What time are sunrise and sunset in October in Mississauga?

In October, on the first day of the month, sunrise is at 7:16 am and sunset at 6:59 pm. On the last day of the month, in Mississauga, Canada, sunrise is at 7:53 am and sunset at 6:10 pm EDT.

How many hours of sunshine does Mississauga have in October?

In Mississauga, Canada, the average sunshine duration in October is 4.7h.

What is the UV index reading in October in Mississauga?

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

Average temperature in October
Mississauga, Canada

Average temperature in October - Mississauga, Canada
  • Average high temperature in October: 14.4°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 (-1.4°C).

  • Average low temperature in October: 9.6°C

The month with the highest average low temperature is July (18.6°C).
The coldest month (with the lowest average low temperature) is January (-6.1°C).

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Average pressure in October
Mississauga, Canada

Average pressure in October - Mississauga, Canada
  • Average pressure in October: 1015.7mbar

The month with the highest atmospheric pressure is November (1018.5mbar).
The month with the lowest atmospheric pressure is June (1013.3mbar).

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Average wind speed in October
Mississauga, Canada

Average wind speed in October - Mississauga, Canada
  • Average wind speed in October: 17.9km/h

The windiest month (with the highest average wind speed) is January (21km/h).
The calmest month (with the lowest average wind speed) is July (12.1km/h).

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Average humidity in October
Mississauga, Canada

Average humidity in October - Mississauga, Canada
  • Average humidity in October: 75%

The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is September (74%).

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Average rainfall in October
Mississauga, Canada

Average rainfall in October - Mississauga, Canada
  • Average rainfall in October: 73mm

The wettest month (with the highest rainfall) is July (80mm).
The driest months (with the least rainfall) are September and November (55mm).

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Average rainfall days in October
Mississauga, Canada

Average rainfall days in October - Mississauga, Canada
  • Average rainfall days in October: 18.9 days

The month with the highest number of rainy days is October (18.9 days).
The month with the least rainy days is February (8.8 days).

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Average snowfall in October
Mississauga, Canada

Average snowfall in October - Mississauga, Canada
  • Average snowfall in October: 1mm

The month with the highest snowfall is February (127mm).
The months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days in October
Mississauga, Canada

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

The month with the highest number of snowfall days is February (14.1 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
Mississauga, Canada

Average sea temperature in October - Mississauga, Canada
  • Average sea temperature in October: 14.3°C

The best month for swimming (with the highest average sea temperature) is August (22.3°C).
The coldest months (with the lowest average sea temperature) are February and March (1.4°C).

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Average daylight in October /
Average sunshine in October
Mississauga, Canada

Average daylight in October / Average sunshine in October - Mississauga, 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 4min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).

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Average sunshine days in October
Mississauga, Canada

Average sunshine days in October - Mississauga, Canada
  • Average sunshine days in October: 10.3 days

The month with the most sunshine days is September (13 days).
The month with the least sunshine days is January (7.5 days).

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Average UV index in October
Mississauga, Canada

Average UV index in October - Mississauga, 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
Mississauga, Canada

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

The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in October
Mississauga, Canada

Average visibility in October - Mississauga, Canada
  • Average visibility in October: 9km

The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January and February (8km).

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Mississauga, Canada

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