Ontario weather in December 2020

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Below are average maximum temperatures at popular destinations in Ontario in December. Select a destination to see more weather parameters.

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The December weather guide for Ontario shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

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How cold is it in Ontario in December?

Daytime temperatures usually reach 0°C in Toronto, Ontario in December, falling to -6°C at night.

How sunny is it in Ontario in December?

There are normally 2 hours of bright sunshine each day in Toronto, Ontario in December - that's 26% of daylight hours.

Is the sea cold around Ontario in December?

The average sea temperature around Toronto, Ontario in December is 5°C.

Does it rain in Ontario in December?

There are usually 13 days with some rain in Toronto, Ontario in December and the average monthly rainfall is 72mm. Rain may fall as snow in this month.

Ontario sunrise & sunset times for December 2020

Browse the sunrise & sunset times for Ontario in December 2020. Select a month to view Ontario sunrise & sunset times for the next twelve months. The Ontario sunrise & sunset times shown below are for Toronto.


Date Sunrise times Sunset times
Tuesday, 1st December 2020 07:32 16:42
Wednesday, 16th December 2020 07:45 16:42
Thursday, 31st December 2020 07:51 16:51
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Metric (°C / mm)  |  Imperial (°F / inches)

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