December weather forecast and climate
Calgary, Canada

A view of the magnificent skyscrapers of the city of Calgary, Canada on a mildly sunny day
A view of the magnificent skyscrapers of the city of Calgary, Canada on a mildly sunny day
Average temperature in December - Calgary, Canada
  • Average high temperature in December: -0.8°C

The warmest month (with the highest average high temperature) is July (23.2°C).
The month with the lowest average high temperature is January (-0.9°C).

  • Average low temperature in December: -12.8°C

The month with the highest average low temperature is July (9.8°C).
The coldest month (with the lowest average low temperature) is January (-13.2°C).

Average humidity in December - Calgary, Canada
  • Average humidity in December: 55.3%

The month with the highest relative humidity is December (55.3%).
The month with the lowest relative humidity is April (40.7%).

Average rainfall in December - Calgary, Canada
  • Average rainfall in December: 0.3mm

The wettest month (with the highest rainfall) is June (93.9mm).
Driest months (with the lowest rainfall) are January and February (0.1mm).

Average rainfall days in December - Calgary, Canada
  • Average rainfall days in December: 0.4 days

The month with the highest number of rainy days is June (13.8 days).
The month with the lowest number of rainy days is February (0.2 days).

Average snowfall in December - Calgary, Canada
  • Average snowfall in December: 150mm

The month with the highest snowfall is March (227mm).
Months with the lowest snowfall are July and August (0mm).

Average snowfall days in December - Calgary, Canada
  • Average snowfall days in December: 7.7 days

The month with the highest number of snowfall days is March (9.5 days).
The month with the lowest number of snowfall days is July (0 days).

Average daylight in December / Average sunshine in December - Calgary, Canada
  • Average daylight in December: 8h

The month with the longest days is June (Average daylight: 16.5h).
The month with shortest days is December (Average daylight: 8h).

  • Average sunshine in December: 3.7h

The month with most sunshine is July (Average sunshine: 10.1h).
The month with least sunshine is December (Average sunshine: 3.7h).

Average UV index in December - Calgary, Canada
  • Average UV index in December: 0

Months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 0).

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