Karratha Weather in December

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

Average highs run from 31°C on December 1 to 32°C on December 31, and lows from 26°C to 27°C. Normal precipitation for the month is 22 mm over about 3 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: 31°C
Average low: 27°C
Precipitation: 22 mm
Reanalysis high: 40°CDec 28, 1996
Reanalysis low: 22°CDec 17, 2018
Daylight: 13 h 17 min to 13 h 23 min
Cloud cover: 36%
Humidity: 69%
Dew point: 22°C
Wind: 21.6 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	31°C	26°C	37°C 2007	23°C 2018	2%
Dec 2	31°C	26°C	35°C 2004	23°C 2018	3%
Dec 3	31°C	26°C	36°C 2004	23°C 2018	4%
Dec 4	31°C	26°C	36°C 2000	23°C 2003	4%
Dec 5	31°C	26°C	33°C 2017	23°C 2003	4%
Dec 6	31°C	26°C	33°C 2000	23°C 2003	4%
Dec 7	31°C	26°C	36°C 2014	24°C 1992	5%
Dec 8	31°C	26°C	37°C 2019	24°C 1992	6%
Dec 9	31°C	26°C	37°C 2002	23°C 1993	7%
Dec 10	31°C	26°C	34°C 1997	23°C 2008	8%
Dec 11	31°C	26°C	35°C 1997	23°C 2008	9%
Dec 12	31°C	26°C	36°C 1997	24°C 2001	9%
Dec 13	31°C	26°C	34°C 1997	24°C 2008	10%
Dec 14	31°C	26°C	36°C 2009	24°C 2004	11%
Dec 15	31°C	26°C	37°C 2009	24°C 2003	11%
Dec 16	31°C	26°C	38°C 2002	23°C 2018	11%
Dec 17	31°C	27°C	39°C 2002	22°C 2018	11%
Dec 18	31°C	27°C	39°C 1997	23°C 2003	10%
Dec 19	31°C	27°C	38°C 2019	24°C 2007	10%
Dec 20	31°C	27°C	36°C 2004	24°C 2018	10%
Dec 21	31°C	27°C	36°C 2013	23°C 1995	10%
Dec 22	31°C	27°C	33°C 2019	23°C 1995	10%
Dec 23	31°C	27°C	35°C 2003	23°C 1995	10%
Dec 24	31°C	27°C	37°C 1998	24°C 1995	10%
Dec 25	31°C	27°C	39°C 2019	23°C 1995	10%
Dec 26	31°C	27°C	37°C 1998	23°C 1995	11%
Dec 27	31°C	27°C	39°C 1996	24°C 2001	11%
Dec 28	31°C	27°C	40°C 1996	24°C 1995	12%
Dec 29	32°C	27°C	36°C 1994	24°C 2001	12%
Dec 30	32°C	27°C	37°C 2000	24°C 2001	12%
Dec 31	32°C	27°C	35°C 1992	24°C 2001	13%

Chance of rain

Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+8).

December 1: sunrise 5:23 AM, sunset 6:40 PM
December 31: sunrise 5:34 AM, sunset 6:57 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.