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Ottawa weather in December 2019
- -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
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.
Metric (°C / mm) | Imperial (°F / inches)
Guide to Ottawa weather in December
The average maximum daytime temperature in Ottawa in December is a very cold -4°C (25°F). The average night-time temperature is usually a very cold -11°C (12°F). There are usually 3 hours of bright sunshine each day, which represents 28% of the 9 hours of daylight.
Expect 82mm (3.2 inches) of rainfall across the whole of December with 16 days with some rain falling. Maximum UV levels will be low (1 UV index) at midday when the skies are clear.
Ottawa sunrise & sunset times for December 2019
Browse the sunrise & sunset times for Ottawa in December 2019. Select a month to view Ottawa sunrise & sunset times for the next twelve months.
|Date||Sunrise times||Sunset times|
|Sunday, 1st December 2019||07:22||16:21|
|Monday, 16th December 2019||07:36||16:20|
|Tuesday, 31st December 2019||07:42||16:29|
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Where's warm in Ontario in December?
Below are average maximum temperatures at popular destinations in Ontario in December. Select a destination to see more weather parameters.
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