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Ottawa weather in December 2021
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- -4-4°C max day temperature
- 1616 days with some rainfall
- -11-11°C min night temperature
- 99 hours of daylight per day
- 0No heat & humidity
- 8282 mm of monthly rainfall
- 11 (Low) UV index
Recommended for Ontario
The December weather guide for Ottawa, 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 Ottawa in December?
Daytime temperatures usually reach -4°C in Ottawa in December, falling to -11°C at night.
How sunny is it in Ottawa in December?
There are normally 3 hours of bright sunshine each day in Ottawa in December - that's 28% of daylight hours.
Does it rain in Ottawa in December?
There are usually 16 days with some rain in Ottawa in December and the average monthly rainfall is 82mm. Rain may fall as snow in this month.
Metric (°C / mm) | Imperial (°F / inches)
Ottawa sunrise & sunset times for December 2021
Browse the sunrise and sunset times for Ottawa in December 2021. Select a month to view Ottawa sunrise & sunset times for the next 12 months.
|Date||Sunrise times||Sunset times|
|Wednesday, 1st December 2021||07:22||16:21|
|Thursday, 16th December 2021||07:37||16:21|
|Friday, 31st December 2021||07:43||16:30|
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