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Thunder Bay weather in December 2023
- -6°C max day temperature
-6 - 3 hours of sunshine per day
- 11 days with some rainfall
11 - -16°C min night temperature
-16 - 8 hours of daylight per day
8 - No heat & humidity
0 - 45 mm of monthly rainfall
45 - 1 (Low) UV index
1 - 4°C sea temperature
4
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The December weather guide for Ontario (Thunder Bay) 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.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Metric (°C / mm) | Imperial (°F / inches)
More about Canada
How cold is it in Thunder Bay in December?
Daytime temperatures usually reach -6°C in Thunder Bay in December, falling to -16°C at night.
How sunny is it in Thunder Bay in December?
There are normally 3 hours of bright sunshine each day in Thunder Bay in December - that's 35% of daylight hours.
Is the sea cold around Thunder Bay in December?
The average sea temperature around Thunder Bay in December is 4°C.
Does it rain in Thunder Bay in December?
There are usually 11 days with some rain in Thunder Bay in December and the average monthly rainfall is 45mm. Rain may fall as snow in this month.
Thunder Bay December sunrise & sunset times
Browse the sunrise and sunset times for Thunder Bay in December 2023. Select a month to view Thunder Bay sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Friday, 1st December 2023 | 08:27 | 17:04 |
| Saturday, 16th December 2023 | 08:43 | 17:02 |
| Sunday, 31st December 2023 | 08:49 | 17:11 |
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