Climate averages 1991–2020
Red Deer weather
in December.
A freezing month with light precipitation: the 11th warmest and the 2nd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a freezing month in Red Deer: daytime highs average -5.1°C and nights cool to about -14.2°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 15 mm of precipitation on roughly 5 days, which makes December a month with light precipitation (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 7 h 48 min on an average December day.
The nearest other city in this atlas is Airdrie (109 km away). In December its highs average -3.3°C, 1.8°C warmer than Red Deer, with 14 mm of precipitation.
Among the 86 cities listed in Canada, Red Deer ranks 79th of 86 for the warmest December highs and 6th of 86 for the driest December (precipitation, lowest first). The mean December high of those 86 cities is 0.2°C; Red Deer is 5.3°C cooler than that mean.
From December to January, average highs fall by 0.5°C to -5.6°C, and monthly precipitation rises from 15 mm to 17 mm.
The annual picture
December in context
Monthly precipitation
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Red Deer climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -5.6°C-15.3°C | -15.3°C | 17 | 4.9 | 8.38 h |
| February | -2.6°C-13.5°C | -13.5°C | 11 | 3.3 | 9.910 h |
| March | 2.3°C-8.6°C | -8.6°C | 20 | 5.8 | 11.812 h |
| April | 9.4°C-2.0°C | -2.0°C | 33 | 7.2 | 13.914 h |
| May | 15.5°C4.1°C | 4.1°C | 63 | 10.3 | 15.716 h |
| June | 19.1°C9.1°C | 9.1°C | 91 | 14.1 | 16.717 h |
| July | 22.0°C11.9°C | 11.9°C | 83 | 12.9 | 16.316 h |
| August | 21.4°C11.2°C | 11.2°C | 67 | 9.9 | 14.715 h |
| September | 16.6°C6.3°C | 6.3°C | 41 | 8.0 | 12.713 h |
| October | 9.1°C-0.5°C | -0.5°C | 24 | 5.8 | 10.711 h |
| November | 0.4°C-8.2°C | -8.2°C | 21 | 5.3 | 8.89 h |
| December, selected | -5.1°C-14.2°C | -14.2°C | 15 | 4.6 | 7.88 h |
Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
December in nearby cities
- Airdrie in DecemberCanada · 109 kmHigh -3.3°C · Low -12.2°C · 14 mm precipitation
- Calgary in DecemberCanada · 137 kmHigh -2.8°C · Low -12.5°C · 14 mm precipitation
- Sherwood Park in DecemberCanada · 143 kmHigh -7.1°C · Low -15.2°C · 14 mm precipitation
- Edmonton in DecemberCanada · 144 kmHigh -6.7°C · Low -15.0°C · 14 mm precipitation
- Lethbridge in DecemberCanada · 294 kmHigh -0.6°C · Low -8.4°C · 16 mm precipitation
- Grande Prairie in DecemberCanada · 460 kmHigh -6.9°C · Low -14.4°C · 22 mm precipitation
- Kelowna in DecemberCanada · 477 kmHigh 1.3°C · Low -3.1°C · 66 mm precipitation
- Kamloops in DecemberCanada · 485 kmHigh -0.7°C · Low -5.6°C · 47 mm precipitation
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Red Deer) is explained once on the Red Deer year overview and on the Sources, method and limits page.