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Ontario weather
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Usually
in September
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Now
Today
Below are the temperatures expected today at popular destinations in Ontario. Select a destination to compare today's forecast with average weather conditions.
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The weather guide for Ontario (Toronto) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.
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Metric (°C / mm) | Imperial (°F / inches)
More about Canada
Which is the hottest month in Ontario?
The hottest time of year in Toronto, Ontario is normally July. Expect maximum daytime temperatures to reach 27°C with low heat and humidity.
Which month has the most rain in Ontario?
In terms of rainfall, August is usually the wettest month in Toronto, Ontario with 83mm on average. There are normally 10 days in August with some rain.
When is it sunniest in Ontario?
The sunniest time of year in Toronto, Ontario is normally July with bright sunshine on average for 60% of daylight hours; that's 9 hours of sunshine per day.
When is the sea warmest in Ontario?
The sea is usually at its warmest in Toronto, Ontario in August when the water temperature reaches 21°C.
What is the flight time to Ontario from the UK?
The flight time to Ontario from the UK is typically 8 hours.
What is the time difference between Ontario and the UK?
The time difference between Ontario and the UK is GMT-5 to GMT-6 hours.
What is the main language spoken in Ontario?
What is the currency in Ontario?
The currency in Ontario is the Canadian Dollar (CAD).
Send money to Ontario with XE Money Transfers*.
Which plugs are used in Ontario?
Ontario uses electrical plug type A + B (120 Volts).
Which side of the road do they drive on in Ontario?
They drive on the right side of the road in Ontario.
Do you need a visa for Ontario?
Compare Ontario weather with the USA
Below the Ontario weather chart shows average maximum daytime temperature for Ontario, Canada (Toronto) and the USA (Washington).
Maximum daytime temperature (°C)
Ontario, Canada (Toronto)
USA (Washington)
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May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Metric (°C / mm) | Imperial (°F / inches)
Compare more Ontario weather >>
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