Weather in Calgary in December 2024
- December is usually the wettest month of the year in Calgary;
Average weather
Average temperature in Calgary in December
The temperature in December is +19°F on average, with a range between a maximum of +46°F during the day and a minimum of -24°F at night.
The average maximum temperature goes up 41% by the end of the month, compared with the beginning of the month, from +1°F to +30°F.
Is Calgary warm or cold in December?
Calgary is typically cold in December.
Maximum temperatures go down compared to the previous month from +37°F to +28°F. The minimum temperature also goes down from +21°F to +12°F.
Wear your winter warms as it will be cold. To save space, layer, and don’t forget gloves and a scarf.
December is one of the coolest months in Calgary, here is the comparison with other months:
Climate in Calgary in December
| November | December | January | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +37°F | +28°F | +28°F | ||||
| Min. temperature | ||||||
| -29°F | -35°F | -35°F | ||||
| Max. temperature | ||||||
| +73°F | +61°F | +57°F | ||||
| Rainfall | ||||||
| 3 mm | 1 mm | 1 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 3 m/s | ||||
| Humidity | ||||||
| 63% | 63% | 62% | ||||
| Air pressure | ||||||
| 1010 HPa | 1011 HPa | 1011 HPa | ||||
| Sunny days | ||||||
| 3 | 3 | 3 | ||||
| Cloudy days | ||||||
| 25 | 26 | 27 | ||||
| Rainy days | ||||||
| 0 | 0 | 0 | ||||
| Snowy days | ||||||
| 2 | 2 | 1 | ||||
December weather is still as good as in November. It’s getting colder in December. From +37°F in the day, the average maximum temperature lowers to +28°F. As December arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 3 mm to 1 mm. Humidity levels don’t change as the month goes on, averaging around 63%. The average wind speed doesn’t change much during December, staying around 2 m/s. The amount of sunny days stay about the same, averaging 3 sunny days during the month.
January brings much the same weather, it remains good.
Wind
The average wind speed is 3 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Calgary is gradually decreasing during December, going from 4 m/s to 1 m/s over the course of the month.
Rain
Snow
Here’s how December is compared with other months in the amount of snow, total mm:
How was the weather last December in Calgary?
Climate Change Over the Years
The climate in Calgary in December has changed quite a lot over the last 43 years.
The average temperature was the lowest in 1983 (+13°F) and the highest in 1999 (+44°F). The driest year was 2008 with only 0 mm of rainfall, and the wettest year was 2017 with 0 mm.
FAQ
Is December a good time to visit Calgary?
Can you sunbathe in Calgary in December?
Is Calgary rainy in December?
Is it sunny in Calgary in December?
Other cities in Canada
Monthly weather in Calgary
Source of the data
For this page, we’ve looked at the typical weather in Calgary, based on historical hourly weather data from January 1, 1979, to December 31, 2022.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.