Ontario weather

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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 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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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.