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Thunder Bay weather in January 2020
- -9-9°C max day temperature
- 1111 days with some rainfall
- -21-21°C min night temperature
- 99 hours of daylight per day
- 0No heat & humidity
- 3838 mm of monthly rainfall
- 11 (Low) UV index
- 22°C sea temperature
The January weather guide for Thunder Bay, 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.
How cold is it in Thunder Bay in January?
Daytime temperatures usually reach -9°C in Thunder Bay in January, falling to -21°C at night.
How sunny is it in Thunder Bay in January?
There are normally 4 hours of bright sunshine each day in Thunder Bay in January - that's 42% of daylight hours.
Is the sea cold around Thunder Bay in January?
The average sea temperature around Thunder Bay in January is 2°C.
Does it rain in Thunder Bay in January?
There are usually 11 days with some rain in Thunder Bay in January and the average monthly rainfall is 38mm.
Thunder Bay sunrise & sunset times for January 2020
Browse the sunrise & sunset times for Thunder Bay in January 2020. Select a month to view Thunder Bay sunrise & sunset times for the next twelve months.
|Date||Sunrise times||Sunset times|
|Wednesday, 1st January 2020||08:49||17:12|
|Thursday, 16th January 2020||08:43||17:31|
|Friday, 31st January 2020||08:28||17:54|
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Expires at 23:59 on Saturday 30th Nov 2019
Metric (°C / mm) | Imperial (°F / inches)
Discover more about Canada
Where's warm in Ontario in January?
Below are average maximum temperatures at popular destinations in Ontario in January. Select a destination to see more weather parameters.
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