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Ontario
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Ontario Weather October

To help you choose the best time to travel, you can find climate data below on the weather in Ontario in October.

Ontario Weather October:Niagara FallsToronto
day temperatureaverage daily high+15.1°C+14°C
night temperatureaverage daily low+6.3°C+7.4°C
sea temperaturesea temperature+14°C
Daylight hoursdaylight hours11.5h11.5h
sunny hours per daysunny/overcast hours5.0/6.5h
average monthly precipitationaverage monthly precipitation80 mm64 mm

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Temperature in Ontario

The average daily maximum in October is +15.1 — +14°C, and the minimum +6.3 — +7.4°C.

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Best places in Ontario:

Toronto

Niagara Falls

Ottawa

Hamilton

Blue Mountain

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Sea temperature

The average monthly temperature in Lake Ontario on the beaches of Toronto in October is +14 degrees.

The water is cold and only apt for bathing for the most hardy people.

Ontario climate by month


Precipitation

The normal amount of precipitation for October is from 64 to 80 mm, which may cause a change of plans on certain days.