Weather in Calgary in December
December in Calgary is cold with average temperatures around -7.4°C (18.7°F). Light rainfall with only 21mm expected.
Data Note: Temperature values are 2001–2020 satellite/reanalysis grid averages from NASA POWER and may differ from airport station normals by a few degrees.
Temperature
High
-3.3°C
26.1°F
Low
-11.6°C
11.1°F
Precipitation
21 mm
0.8 inches
~5 rainy days
Conditions
Humidity
82%
Comparison to Adjacent Months
December is 5.1°C cooler than November.