Mackay Weather in December

NASA POWER reanalysis for the half-degree grid cell around Mackay, 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 31°C on December 31, and lows from 21°C to 22°C. Normal precipitation for the month is 130 mm over about 12 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: 22°C
Precipitation: 130 mm
Reanalysis high: 39°CDec 14, 2005
Reanalysis low: 17°CDec 4, 1998
Daylight: 13 h 19 min to 13 h 24 min
Cloud cover: 46%
Humidity: 72%
Dew point: 19°C
Wind: 10.4 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	21°C	38°C 1996	18°C 2000	34%
Dec 2	31°C	21°C	38°C 2019	17°C 2000	35%
Dec 3	31°C	21°C	38°C 2018	19°C 1993	36%
Dec 4	31°C	22°C	38°C 2012	17°C 1998	38%
Dec 5	31°C	22°C	39°C 2012	17°C 1999	40%
Dec 6	31°C	22°C	39°C 2002	18°C 2009	41%
Dec 7	31°C	22°C	37°C 2008	17°C 2000	42%
Dec 8	31°C	22°C	38°C 2001	18°C 2000	42%
Dec 9	31°C	22°C	39°C 2001	19°C 1999	42%
Dec 10	31°C	22°C	36°C 2005	20°C 1999	42%
Dec 11	31°C	22°C	35°C 2002	19°C 1999	43%
Dec 12	31°C	22°C	35°C 2005	19°C 1993	42%
Dec 13	31°C	22°C	37°C 2005	18°C 1995	41%
Dec 14	31°C	22°C	39°C 2005	19°C 1993	40%
Dec 15	31°C	22°C	37°C 2004	18°C 1993	40%
Dec 16	31°C	22°C	37°C 2019	19°C 1993	42%
Dec 17	31°C	22°C	37°C 2012	18°C 1994	42%
Dec 18	31°C	22°C	39°C 2005	19°C 1994	41%
Dec 19	31°C	22°C	39°C 1995	19°C 2006	40%
Dec 20	31°C	22°C	39°C 1995	18°C 2006	41%
Dec 21	31°C	22°C	38°C 1995	19°C 2003	41%
Dec 22	31°C	22°C	35°C 2020	19°C 2001	42%
Dec 23	31°C	22°C	35°C 1991	19°C 2000	43%
Dec 24	31°C	22°C	36°C 2001	19°C 2000	44%
Dec 25	31°C	22°C	38°C 2019	19°C 2000	45%
Dec 26	31°C	22°C	38°C 2001	20°C 2013	46%
Dec 27	31°C	22°C	39°C 2001	19°C 1992	48%
Dec 28	31°C	22°C	34°C 2001	20°C 1999	48%
Dec 29	31°C	22°C	36°C 2013	19°C 2007	50%
Dec 30	31°C	22°C	36°C 2013	20°C 1999	50%
Dec 31	31°C	22°C	36°C 2013	19°C 2003	51%

Chance of rain

Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+10).

December 1: sunrise 5:13 AM, sunset 6:32 PM
December 31: sunrise 5:24 AM, sunset 6:48 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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.