Planning a trip to Calgary in December? You are in luck! The weather is generally good, with an average maximum temperature of -2°C and approximately 3 sunny days. Just be prepared for some rain, as there are usually around 8 rainy days and 13 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flightsin one click on Avionero.
Good to know:
December is usually the coldest month of the year in Calgary;
Average weather
☀️
-2°C
Avg. max. temperature
-37°C
Min.
+16°C
Max.
1 mm
Total precipitation
63%
Avg. humidity
3 m/s
Avg. wind
3 ☀️
Sunny Days
19 ⛅️
Cloudy
1 🌦
Rainy
Our opinion: Calgary has good weather in December.
Average temperature in Calgary in December
Here are the expected maximum, average and minimum temperatures in Calgary for December based on the historical data.
Last Year
Historical Data
Going from a maximum of +16°C during the day to a minimum of -17°C during the night, the temperature in December averages around +4°C.
The average maximum temperature goes up 24% by the end of the month, compared with the beginning of the month, from 0°C to +8°C.
Is Calgary warm or cold in December?
Calgary is typically cold in December.
Maximum temperatures go down compared to the previous month from +3°C to -2°C. The minimum temperature also goes down from -6°C to -11°C.
Wear your winter warms as it will be cold. To save space, layer, and don’t forget gloves and a scarf.
December is the coldest month in Calgary, here is the comparison with other months:
Climate in Calgary in December
Calgary weather looks like this, on average, in December and the surrounding months.
November
December
January
Avg. temperature
+3°C
-2°C
-1°C
Min. temperature
-34°C
-37°C
-37°C
Max. temperature
+23°C
+16°C
+14°C
Rainfall
3 mm
1 mm
1 mm
Wind
3 m/s
3 m/s
3 m/s
Humidity
64%
63%
62%
Air pressure
1011 HPa
1011 HPa
1012 HPa
Sunny days
3
3
3
Cloudy days
18
19
20
Rainy days
2
1
1
Snowy days
8
8
7
December weather is still as good as in November.It’s getting colder in December. From +3°C in the day, the average maximum temperature lowers to -2°C.As December arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 3 mm to 1 mm.It feels drier, as humidity decreases from 64% to 63%.The average wind speed doesn’t change much during December, staying around 3 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 speed in Calgary in December based on historical data.
Last Year
Historical Data
The average wind speed is 3 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Calgary is gradually increasing during December, going from 2 m/s to 2 m/s over the course of the month.
Rain
Amount of rainfall in mm during December in Calgary based on historical data.
Last Year
Historical Data
Typically, there is a 3% chance of rain on an average day in December, with total rainfall of approximately 2 mm. The maximum amount of rainfall per day is around 2 mm, which is considered light rain.Calgary is amazing in December with as little as 1 rainy days on average, so plan adventures in the great outdoors.
Here’s how December is compared with other months in the amount of precipitation, total mm:
Calgary wettest month is June, where a typical day has a 53% chance of precipitation and 104 mm of rainfall per day. January, on the other hand, is the driest month with a mere 3% chance of precipitation and 1 mm of rainfall per day.
Snow
Amount of snow in mm during December in Calgary based on historical data.
Last Year
Historical Data
Typically, there is a 3% chance of snow on an average day in December, with a total monthly snowfall of approximately 18 mm.
Here’s how December is compared with other months in the amount of snow, total mm:
How was the weather last December in Calgary?
This is the weather in Calgary in December 2023:
1 December
☁️
0°C
2 December
☁️
+2°C
3 December
☁️
+2°C
4 December
☀️
+6°C
5 December
☁️
+16°C
6 December
☁️
+10°C
7 December
🌫️
+4°C
8 December
🌫️
-1°C
9 December
☀️
-3°C
10 December
☀️
+3°C
11 December
☁️
+1°C
12 December
☀️
+2°C
13 December
☀️
+9°C
14 December
☁️
+5°C
15 December
🌫️
0°C
16 December
☁️
+4°C
17 December
☁️
+2°C
18 December
☁️
+4°C
19 December
☁️
+2°C
20 December
☀️
+7°C
21 December
☁️
+4°C
22 December
☁️
+9°C
23 December
🌨️
+5°C
24 December
☀️
-1°C
25 December
☀️
+3°C
26 December
☀️
+7°C
27 December
☁️
+4°C
28 December
☀️
+9°C
29 December
☀️
+5°C
30 December
☁️
+3°C
31 December
☁️
+8°C
In December 2023 Calgary had 11 sunny days, 16 cloudy days, and 0 rainy days. The average maximum temperature was +4°C, with an absolute maximum of +16°C and a minimum of -3°C. The average humidity was 71%, with a maximum of 97% and a minimum of 31%. The average wind speed was 3 m/s, with a maximum of 13 m/s and a minimum of 0 m/s.
Are you planning a trip in December?
Climate Change over Years
This is how Calgary climate have been changing during last 43 years period.
The climate in Calgary in December has not changed much over the last 43 years.
The average temperature was the lowest in 1996 (+8°C) and the highest in 2023 (+13°C). The driest year was 1979 with only 203 mm of rainfall, and the wettest year was 2019 with 702 mm.
FAQ
Frequently asked questions about the weather in Calgary in December:
Is December a good time to visit Calgary?
December is a really good time to go to Calgary. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Calgary.
Can you sunbathe in Calgary in December?
Not really, December is not the best time to sunbathe, unless you visit a local solarium.
Is Calgary rainy in December?
Calgary is usually dry in December. Plan your packing around outdoor activities and exploring.
Is it sunny in Calgary in December?
Usually, it’s not very sunny in Calgary in December, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.
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, 2023.
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.