Whitehorse climate

Whitehorse Weather in December

NASA POWER reanalysis for the half-degree grid cell around Whitehorse, 1991-2020; a grid cell is an area average and can differ from a thermometer in town by several degrees

Average highs run from -13°C on December 1 to -15°C on December 31, and lows from -19°C to -21°C. Normal precipitation for the month is 40 mm over about 12 wet days.

December day by day

The normal high and low for each date, in °C.

Normal daily high and low temperature at Whitehorse, in °C, with the record for each date.-50-40-30-20-10010151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

December at a glance

Average high
-13°C
Average low
-19°C
Precipitation
40 mm
Reanalysis high
1°CDec 22, 2004
Reanalysis low
-43°CDec 6, 1995
Daylight
6 h 14 min to 5 h 47 min
Cloud cover
67%
Humidity
97%
Dew point
-17°C
Wind
9.4 km/h

Every day of the month

A wet day has at least 1 mm of precipitation in the reanalysis.

DateNormal highNormal lowReanalysis highReanalysis lowChance wet
Dec 1-13°C-19°C0°C 1997-39°C 199441%
Dec 2-13°C-19°C0°C 2020-38°C 199440%
Dec 3-13°C-19°C-2°C 2020-41°C 200740%
Dec 4-13°C-19°C-1°C 2011-42°C 200739%
Dec 5-12°C-19°C1°C 2011-43°C 199540%
Dec 6-13°C-19°C0°C 2017-43°C 199540%
Dec 7-13°C-19°C0°C 2017-36°C 199540%
Dec 8-13°C-19°C0°C 2017-33°C 200440%
Dec 9-13°C-19°C-1°C 2017-36°C 199540%
Dec 10-13°C-19°C-3°C 2017-38°C 201639%
Dec 11-13°C-19°C-1°C 2017-33°C 201639%
Dec 12-13°C-19°C0°C 1997-32°C 200840%
Dec 13-13°C-19°C-1°C 1997-35°C 200840%
Dec 14-13°C-19°C0°C 2017-35°C 200840%
Dec 15-13°C-19°C-2°C 2005-31°C 200041%
Dec 16-13°C-19°C0°C 2004-34°C 199241%
Dec 17-13°C-19°C-2°C 2004-35°C 199841%
Dec 18-13°C-19°C-2°C 2004-35°C 199841%
Dec 19-13°C-19°C-1°C 2003-32°C 201041%
Dec 20-13°C-20°C-2°C 1999-34°C 199640%
Dec 21-13°C-20°C0°C 1999-41°C 199640%
Dec 22-13°C-20°C1°C 2004-41°C 199640%
Dec 23-13°C-20°C1°C 2004-35°C 199639%
Dec 24-14°C-20°C0°C 1999-34°C 199638%
Dec 25-14°C-20°C-1°C 1999-31°C 199839%
Dec 26-14°C-20°C0°C 1999-42°C 199237%
Dec 27-14°C-20°C-1°C 1999-43°C 199236%
Dec 28-14°C-20°C-4°C 1999-37°C 199235%
Dec 29-14°C-20°C-4°C 2006-35°C 201734%
Dec 30-14°C-21°C-3°C 2000-38°C 200434%
Dec 31-15°C-21°C-3°C 2000-38°C 199634%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Whitehorse, in percent.010203040501102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT-7).

December 1
sunrise 10:42 AM, sunset 4:56 PM
December 31
sunrise 11:10 AM, sunset 4:57 PM

Every day of December: sun and moon

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.