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The weather in Calgary in December is very cold with temperatures between -11°C and -5°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Calgary during the month of December. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Let it snow! You can expect Calgary to be covered in white during the month of December. Be sure to bundle up when you venture outside, or take the opportunity to enjoy hot cocoa by the fire for warmth this month.
Our weather forecast can give you a great sense of what weather to expect in Calgary in December 2024.
If you’re planning to visit Calgary in the near future, we highly recommend that you review the 14 day weather forecast for Calgary before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -4° / -11° | 4 | 13 | 15 | 21 mm | Awful | Calgary in January |
| February | -4° / -12° | 3 | 8 | 17 | 24 mm | Awful | Calgary in February |
| March | 2° / -6° | 4 | 12 | 15 | 31 mm | Awful | Calgary in March |
| April | 8° / -1° | 5 | 13 | 13 | 57 mm | Bad | Calgary in April |
| May | 15° / 5° | 7 | 21 | 3 | 80 mm | Bad | Calgary in May |
| June | 20° / 9° | 11 | 19 | 0 | 128 mm | Ok | Calgary in June |
| July | 23° / 11° | 8 | 23 | 0 | 93 mm | Good | Calgary in July |
| August | 23° / 10° | 5 | 26 | 0 | 66 mm | Perfect | Calgary in August |
| September | 19° / 7° | 3 | 25 | 2 | 38 mm | Ok | Calgary in September |
| October | 10° / 1° | 3 | 21 | 7 | 28 mm | Bad | Calgary in October |
| November | 1° / -6° | 2 | 15 | 12 | 23 mm | Awful | Calgary in November |
| December | -5° / -11° | 3 | 13 | 15 | 28 mm | Awful | Calgary in December |