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Canada

Ontario - Canada climate 2025

Canada

Ontario - Canada climate 2025

Overview: Ontario - Canada
Ontario (Canada) is a region with a mild continental climate. Temperatures during the day are in the range from -2 °C (28 °F) in January to 27 °C (80 °F) in July. The highest night temperatures could be experienced in July with 16 °C (61 °F), the lowest in January with -10 °C (14 °F). The driest month is August with just 10 days of rain, on the contrary, the month when it rains the most is December with 13 days of rain.

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Niagara Falls
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Architecture in Toronto on a sunny day with some clouds

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Climate overview and FAQs

Climate overview

Ontario (Canada) is a region with a mild continental climate. Temperatures during the day are in the range from -2 °C (28 °F) in January to 27 °C (80 °F) in July. The highest night temperatures could be experienced in July with 16 °C (61 °F), the lowest in January with -10 °C (14 °F). The driest month is August with just 10 days of rain, on the contrary, the month when it rains the most is December with 13 days of rain.

When is the best time to go to Ontario?

The best time to visit Ontario is between July and August. During this period, temperatures are between 26 °C (78 °F) - 27 °C (80 °F), night temperatures are between 15 °C (60 °F) - 16 °C (61 °F), rainfall averages 10 days per month, and 8 hours of sunlight on average.

What time of year are the highest night temperatures in Ontario?

The highest temperatures during the night in Ontario could be expected between July and August. During this time the night temperatures are between 15 °C (60 °F) - 16 °C (61 °F).

Which month is the sunniest in Ontario?

The period, which is the sunniest in Ontario, is in the months of June - August, when there is an average of 8 sun hours per day.

Which months have the highest daily temperature in Ontario?

The hottest month in Ontario is July with a temperature of 27 °C (80 °F). The period with the highest daytime temperatures is in Ontario during June - August. The temperatures range at this time between 24 °C (76 °F) - 27 °C (80 °F).

What is the humidity in Ontario?

Ontario belongs to destinations with lower humidity. It is in the range of 66 % - 80 %. The most humid months are October - January and the least humid are April - July.

Is it freezing a lot in Ontario?

Yes, it is likely to be freezing at night in Ontario in the months of November - March. And often during the day in the months of December - February.

Is it windy in Ontario?

Ontario is a destination with rather light or moderate winds. The wind blows the most in October - January and the least in June - September.

What is the least cloudy season in Ontario?

The least cloudy months in Ontario are June - August, when the cloud cover is on average only 42 %.

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