Daytime highs, nighttime lows and the warmest cities across Canada this October.
Canada, experiences maximum daytime temperatures in October ranging from -15°C (5°F) in Alert to 16°C (61°F) in Chatham. Nighttime temperatures generally drop to 8°C (46°F) in Chatham and -22°C (-8°F) in Alert.
Discover the typical October temperatures for the most popular locations of Canada on the map below. Detailed insights are just a click away.
Check the conditions for any month of the year.
Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Canada.
Marker color shows the average daytime high temperature in October: blue is cold, red is hot.
Daytime temperatures in Toronto typically peak at 16°C (61°F) in October, putting it in the moderate range.
Average overnight lows in Canada during October sit near 8°C (46°F) in Toronto.
Chatham tops the warmest city list in our database with average maximum daytime temperatures around 16°C (61°F) and a minimum nighttime temperature of around 8°C (46°F).
The coldest city in October in Canada is Alert when we check our database. The maximum daytime temperatures are around -15°C (5°F) and minimum nighttime temperatures fall around -22°C (-8°F).
Across Canada, sunshine in October ranges from overcast in Alert (4 hours) to moderately sunny in Calgary (175 hours).
The water temperature averages approximately 14°C (57°F) in Montréal this month, generally too cold for comfortable swimming.
We have much more information about the climate in Canada.
Weather and climate has detailed information for every country in the world. Are you going to Canada? Get detailed historical weather averages for many cities in Canada.
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