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Ontario weather in January 2023
- -2-2°C max day temperature
- 1212 days with some rainfall
- -10-10°C min night temperature
- 99 hours of daylight per day
- 0No heat & humidity
- 5454 mm of monthly rainfall
- 11 (Low) UV index
- 33°C sea temperature
Below are average maximum temperatures at popular destinations in Ontario in January. Select a destination to see more weather parameters.
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The January weather guide for Ontario (Toronto) 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.
Metric (°C / mm) | Imperial (°F / inches)
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How cold is it in Ontario in January?
Daytime temperatures usually reach -2°C in Toronto, Ontario in January, falling to -10°C at night.
How sunny is it in Ontario in January?
There are normally 3 hours of bright sunshine each day in Toronto, Ontario in January - that's 33% of daylight hours.
Is the sea cold around Ontario in January?
The average sea temperature around Toronto, Ontario in January is 3°C.
Does it rain in Ontario in January?
There are usually 12 days with some rain in Toronto, Ontario in January and the average monthly rainfall is 54mm. Rain may fall as snow in this month.
Ontario January sunrise & sunset times
Browse the sunrise and sunset times for Ontario in January 2023. Select a month to view Ontario sunrise and sunset times for the next 12 months. The Ontario sunrise and sunset times shown below are for Toronto.
|Date||Sunrise times||Sunset times|
|Sunday, 1st January 2023||07:51||16:51|
|Monday, 16th January 2023||07:48||17:07|
|Tuesday, 31st January 2023||07:35||17:27|
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