Calgary Weather in December
Calgary in December
The short of it: Calgary in December averages a high of -1 °C (31 °F) and a low of -13 °C (10 °F), with 11 mm (0.43 in) of rain and about 7 h 56 min of daylight. Rated 2 of 5 for a visit; the best months are September and August. Source: TerraClimate climate normals, 1991–2020.
Average high -1° · low -13° · rain 11 mm · daylight 7 h 56 min
✦✦ Travel with care for a visit · best months: September & August
Thirty years of records give Calgary an average December high of -1°, a low of -13° and some 11 mm of rain. The year turns hard here: highs drop 5° from November to about -1°, with nights near -13°. Rain is scarce, about 11 mm, the 10th wettest month. Snow lies on the ground; mind the passes.
The sun is up for about 7 h 56 min in mid-December, 53 minutes less than a month before.
For the traveller: pack the buffalo coat, mittens and fur-lined boots. The Almanac rates December 2 of 5 for a visit; the finest months here are September and August.
Against its neighbours, Calgary runs warmer than most and wetter than most in December. Centre City, 1 km to the SE, sees much the same highs.
December in Calgary, by the numbers
- Warmth rank
- 11th warmest of 12
- Rain rank
- 10th wettest of 12
- Versus November
- 5° colder, 3.0 mm less rain
- Versus January
- 1° warmer
- Day–night spread
- 12°
- Snow season
- Nov–Apr
- Daylight, mid-month
- 7 h 56 min
- Average wind
- 12 km/h
Neighbouring Towns
December averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| Centre CityAlberta | 1 km SE | -1° | -12° | 11 mm |
| BeltlineAlberta | 2 km SE | -1° | -12° | 11 mm |
| ThorncliffeAlberta | 6 km NNE | -1° | -13° | 11 mm |
| VarsityAlberta | 7 km NW | -1° | -13° | 11 mm |
| Signal HillAlberta | 7 km WSW | -1° | -13° | 11 mm |
| BownessAlberta | 7 km WNW | -1° | -13° | 11 mm |
| DoverAlberta | 7 km ESE | -1° | -13° | 11 mm |
| Huntington HillsAlberta | 8 km N | -1° | -13° | 11 mm |