Calgary weather in December 2025

Expect daytime maximum temperatures of -3°C in Calgary, Alberta in December based on long-term weather averages. There are 3 hours of sunshine per day on average, which might fall as snow.

  • -3°C maximum daytime temperature in December in Calgary-3
    -3°C max day temperature
  • 3 hours of sunshine per day
  • 7 days with some rainfall in December in Calgary7
    7 days with some rainfall
  • -14°C minimum night-time temperature in December in Calgary-14
    -14°C min night temperature
  • 8 hours of daylight per day in December in Calgary8
    8 hours of daylight per day
  • No heat & humidity in December in Calgary0
    No heat & humidity
  • 16 mm monthly rainfall in December in Calgary16
    16 mm of monthly rainfall
  • No UV (maximum) index in December in Calgary0
    No UV (Maximum) Index UV index

More about Calgary

Calgary by month

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

Recommended for Alberta

Auto Europe: Best rate gurantee

  • Book car hire with the best rate gurantee
  • Find a cheaper rate Auto Europe will beat it
  • Browse car rentals across the USA & beyond
Go to Auto Europe deal >>

View all Auto Europe offers

The December weather guide for Alberta (Calgary) 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)

Back to top

More about Canada

How cold is it in Calgary in December?

Daytime temperatures usually reach -3°C in Calgary in December, falling to -14°C at night.

How sunny is it in Calgary in December?

There are normally 3 hours of bright sunshine each day in Calgary in December - that's 40% of daylight hours.

Does it rain in Calgary in December?

There are usually 7 days with some rain in Calgary in December and the average monthly rainfall is 16mm. Rain may fall as snow in this month.

Calgary December sunrise & sunset times

Browse the sunrise and sunset times for Calgary in December 2025. Select a month to view Calgary sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 08:18 16:33
Tuesday, 16th December 2025 08:34 16:30
Wednesday, 31st December 2025 08:40 16:40

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^