Kelowna climate

Kelowna Weather in December

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

Average highs run from -1°C on December 1 to -4°C on December 31, and lows from -9°C to -12°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 Kelowna, in °C, with the record for each date.-40-30-20-10010151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

December at a glance

Average high
-3°C
Average low
-11°C
Precipitation
40 mm
Reanalysis high
5°CDec 1, 2008
Reanalysis low
-35°CDec 26, 1996
Daylight
8 h 24 min to 8 h 10 min
Cloud cover
76%
Humidity
93%
Dew point
-8°C
Wind
7.2 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 1-1°C-9°C5°C 2008-19°C 201436%
Dec 2-2°C-10°C2°C 2000-17°C 201336%
Dec 3-2°C-10°C3°C 2019-22°C 199436%
Dec 4-2°C-10°C4°C 2007-24°C 201337%
Dec 5-2°C-10°C2°C 2002-26°C 201337%
Dec 6-2°C-10°C3°C 1991-29°C 201337%
Dec 7-2°C-10°C1°C 1991-30°C 201337%
Dec 8-2°C-10°C4°C 2015-26°C 201638%
Dec 9-2°C-10°C2°C 2014-24°C 201637%
Dec 10-3°C-10°C4°C 2014-18°C 200337%
Dec 11-3°C-10°C3°C 2014-19°C 200038%
Dec 12-3°C-11°C4°C 2002-24°C 201639%
Dec 13-3°C-10°C4°C 1998-28°C 201640%
Dec 14-3°C-10°C3°C 2002-26°C 201641%
Dec 15-3°C-10°C4°C 2002-30°C 200842%
Dec 16-3°C-10°C3°C 1999-29°C 200841%
Dec 17-3°C-11°C2°C 2018-25°C 201641%
Dec 18-3°C-11°C3°C 2018-26°C 199240%
Dec 19-3°C-11°C4°C 2004-29°C 200840%
Dec 20-3°C-11°C3°C 2020-30°C 200841%
Dec 21-3°C-11°C2°C 2014-26°C 200842%
Dec 22-3°C-11°C1°C 2014-22°C 200841%
Dec 23-4°C-11°C2°C 2013-28°C 201741%
Dec 24-4°C-12°C2°C 2005-25°C 199641%
Dec 25-4°C-12°C2°C 2005-28°C 199640%
Dec 26-4°C-12°C2°C 2005-35°C 199639%
Dec 27-4°C-12°C2°C 2005-29°C 199640%
Dec 28-4°C-12°C3°C 2011-30°C 199640%
Dec 29-4°C-12°C4°C 1997-26°C 199640%
Dec 30-4°C-12°C2°C 1997-25°C 199241%
Dec 31-4°C-12°C2°C 1997-26°C 199242%

Chance of rain

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

Sunrise and sunset

Times for 2026, local time (PST).

December 1
sunrise 7:35 AM, sunset 3:59 PM
December 31
sunrise 7:56 AM, sunset 4:06 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.