Yellowknife Weather in December
Average highs run from -21°C on December 1 to -25°C on December 31, and lows from -29°C to -32°C. Normal precipitation for the month is 19 mm over about 6 wet days.
December day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
December at a glance
- Average high
- -24°C
- Average low
- -31°C
- Precipitation
- 19 mm
- Reanalysis high
- -1°CDec 24, 1999
- Reanalysis low
- -53°CDec 11, 2009
- Daylight
- 5 h 41 min to 5 h 09 min
- Cloud cover
- 61%
- Humidity
- 96%
- Dew point
- -28°C
- Wind
- 15.1 km/h
Every day of the month
A wet day has at least 1 mm of precipitation in the reanalysis.
| Date | Normal high | Normal low | Reanalysis high | Reanalysis low | Chance wet |
|---|---|---|---|---|---|
| Dec 1 | -21°C | -29°C | -7°C 2020 | -46°C 1991 | 16% |
| Dec 2 | -22°C | -29°C | -4°C 2020 | -44°C 2007 | 15% |
| Dec 3 | -22°C | -29°C | -4°C 2020 | -44°C 2000 | 16% |
| Dec 4 | -23°C | -29°C | -4°C 1992 | -44°C 1995 | 15% |
| Dec 5 | -23°C | -30°C | -9°C 2011 | -45°C 1991 | 15% |
| Dec 6 | -23°C | -30°C | -6°C 2020 | -43°C 1995 | 16% |
| Dec 7 | -23°C | -30°C | -1°C 2006 | -48°C 2000 | 16% |
| Dec 8 | -23°C | -31°C | -10°C 2006 | -48°C 2000 | 16% |
| Dec 9 | -23°C | -31°C | -10°C 2018 | -48°C 1994 | 16% |
| Dec 10 | -24°C | -31°C | -6°C 2018 | -51°C 2009 | 15% |
| Dec 11 | -24°C | -31°C | -7°C 2018 | -53°C 2009 | 16% |
| Dec 12 | -24°C | -31°C | -7°C 2011 | -48°C 2013 | 16% |
| Dec 13 | -24°C | -31°C | -7°C 2011 | -49°C 2013 | 16% |
| Dec 14 | -24°C | -31°C | -5°C 2002 | -45°C 2009 | 16% |
| Dec 15 | -24°C | -31°C | -8°C 2002 | -47°C 2019 | 16% |
| Dec 16 | -24°C | -31°C | -8°C 2002 | -48°C 2019 | 17% |
| Dec 17 | -24°C | -31°C | -9°C 2002 | -49°C 2020 | 17% |
| Dec 18 | -24°C | -31°C | -11°C 2002 | -50°C 2020 | 18% |
| Dec 19 | -24°C | -31°C | -11°C 2006 | -45°C 1996 | 18% |
| Dec 20 | -24°C | -31°C | -7°C 2006 | -47°C 2004 | 19% |
| Dec 21 | -24°C | -31°C | -6°C 2006 | -46°C 2004 | 18% |
| Dec 22 | -24°C | -32°C | -4°C 1994 | -46°C 2004 | 18% |
| Dec 23 | -24°C | -32°C | -5°C 1999 | -44°C 1992 | 17% |
| Dec 24 | -24°C | -32°C | -1°C 1999 | -44°C 1992 | 16% |
| Dec 25 | -24°C | -32°C | -6°C 2001 | -46°C 1992 | 15% |
| Dec 26 | -24°C | -32°C | -9°C 1991 | -46°C 2013 | 15% |
| Dec 27 | -25°C | -32°C | -14°C 1999 | -50°C 2013 | 14% |
| Dec 28 | -25°C | -32°C | -6°C 1991 | -46°C 2013 | 14% |
| Dec 29 | -25°C | -32°C | -6°C 1991 | -50°C 1992 | 15% |
| Dec 30 | -25°C | -32°C | -4°C 2006 | -48°C 1992 | 15% |
| Dec 31 | -25°C | -32°C | -7°C 2015 | -49°C 1997 | 14% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (MST).
- December 1
- sunrise 9:36 AM, sunset 3:17 PM
- December 31
- sunrise 10:06 AM, sunset 3:15 PM
Other months
Sources
Cloud, humidity, wind and sunshine, and temperature and precipitation: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.