Weather in Ottawa in December 2018

  • -4°C maximum daytime temperature in December in Ottawa-4
    -4°C max day temperature
  • 3 hours of sunshine per day (28% of daylight hours) in December in Ottawa3
    3 hours of sunshine per day
  • 16 days with some rainfall in December in Ottawa16
    16 days with some rainfall
  • -11°C minimum night-time temperature in December in Ottawa-11
    -11°C min night temperature
  • 9 hours of daylight per day in December in Ottawa9
    9 hours of daylight per day
  • No heat & humidity in December in Ottawa0
    No heat & humidity
  • 82 mm monthly rainfall in December in Ottawa82
    82 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in December in Ottawa1
    1 (Low) UV index

Going to Ottawa? Find the best month to visit Ottawa based on the weather.

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Expect -4°C daytime maximum temperatures in the shade with on average 3 hours of sunshine per day in Ottawa in December. Check more long-term weather averages for Ottawa in December before you book your next holiday to Ontario in 2018/2019.

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More about Ottawa

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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 2018

Browse the sunrise & sunset times for Ottawa in December 2018. Select a month to view Ottawa sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st December 2018 07:22 16:21
Sunday, 2nd December 2018 07:23 16:21
Monday, 3rd December 2018 07:24 16:21
Tuesday, 4th December 2018 07:26 16:20
Wednesday, 5th December 2018 07:27 16:20
Thursday, 6th December 2018 07:28 16:20
Friday, 7th December 2018 07:29 16:20
Saturday, 8th December 2018 07:30 16:20
Sunday, 9th December 2018 07:31 16:20
Monday, 10th December 2018 07:32 16:20
Tuesday, 11th December 2018 07:32 16:20
Wednesday, 12th December 2018 07:33 16:20
Thursday, 13th December 2018 07:34 16:20
Friday, 14th December 2018 07:35 16:20
Saturday, 15th December 2018 07:36 16:20
Sunday, 16th December 2018 07:36 16:20
Monday, 17th December 2018 07:37 16:21
Tuesday, 18th December 2018 07:38 16:21
Wednesday, 19th December 2018 07:38 16:21
Thursday, 20th December 2018 07:39 16:22
Friday, 21st December 2018 07:39 16:22
Saturday, 22nd December 2018 07:40 16:23
Sunday, 23rd December 2018 07:40 16:23
Monday, 24th December 2018 07:41 16:24
Tuesday, 25th December 2018 07:41 16:25
Wednesday, 26th December 2018 07:42 16:25
Thursday, 27th December 2018 07:42 16:26
Friday, 28th December 2018 07:42 16:27
Saturday, 29th December 2018 07:42 16:28
Sunday, 30th December 2018 07:42 16:28
Monday, 31st December 2018 07:43 16:29
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