Ottawa weather in December 2019

  • -4°C maximum daytime temperature in December in Ottawa-4
    -4°C max day temperature
  • 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
  • Top deals & discounts
  • Ottawa weather overview
  • Ottawa climate averages by month
  • More destinations
  • Best time to go to Ottawa
  • Ottawa 5-day weather forecast

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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.

  • Save an extra 10% on worldwide car hire
  • Book with the exclusive Argus Car Hire discount code
  • Travel before 31st December 2019 (inclusive)
Show discount codeShow discount code ******vel

Expires at 23:59 on Saturday 31st Aug 2019 · View all Argus Car Hire offers

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.

JanFebMarAprMayJunJulAugSepOctNovDec

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
  • Save up to 60% on hotels with Priceline Express Deals
  • Search for cheap hotel deals by city or airport
  • Filter deals by star rating, price, amenities & hotel area

Back to top

Discover more about Canada

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.

More destinations & map >>

Related posts

Popular travel offers

Top ^

*affiliate links: find out how we are funded and why this helps us remain free to use.