Ottawa weather in December 2024

Expect 25°F 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 2024/2025.

  • 25°F maximum daytime temperature in December in Ottawa25
    25°F max day temperature
  • 3 hours of sunshine per day
  • 16 days with some rainfall in December in Ottawa16
    16 days with some rainfall
  • 12°F minimum night-time temperature in December in Ottawa12
    12°F 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
  • 3.2 inches monthly rainfall in December in Ottawa3.2
    3.2 inches of monthly rainfall
  • UV (maximum) index 1 (Low) in December in Ottawa1
    1 (Low) UV index

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The December weather guide for Ontario (Ottawa) 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)  |  Imperial (°F)

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More about Canada

How cold is it in Ottawa in December?

Daytime temperatures usually reach 25°F in Ottawa in December, falling to 12°F 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 3.2 inches. Rain may fall as snow in this month.

Ottawa December sunrise & sunset times

Browse the sunrise and sunset times for Ottawa in December 2024. Select a month to view Ottawa sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st December 2024 07:23 16:21
Monday, 16th December 2024 07:37 16:21
Tuesday, 31st December 2024 07:43 16:30

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