Warrnambool Weather in December

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

Average highs run from 19°C on December 1 to 20°C on December 31, and lows from 13°C to 14°C. Normal precipitation for the month is 53 mm over about 9 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: 19°C
Average low: 13°C
Precipitation: 53 mm
Reanalysis high: 35°CDec 9, 2006
Reanalysis low: 10°CDec 2, 1994
Daylight: 14 h 38 min to 14 h 48 min
Cloud cover: 63%
Humidity: 74%
Dew point: 11°C
Wind: 22.3 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	19°C	13°C	28°C 1999	10°C 1994	29%
Dec 2	19°C	13°C	29°C 1999	10°C 1994	30%
Dec 3	19°C	13°C	28°C 1994	10°C 1996	30%
Dec 4	19°C	13°C	30°C 1994	10°C 2008	29%
Dec 5	19°C	13°C	32°C 1994	11°C 2013	29%
Dec 6	19°C	13°C	32°C 2018	11°C 2013	30%
Dec 7	19°C	13°C	28°C 2018	11°C 2001	29%
Dec 8	19°C	13°C	27°C 2012	10°C 1996	29%
Dec 9	19°C	13°C	35°C 2006	11°C 1994	28%
Dec 10	19°C	13°C	30°C 1998	11°C 1994	28%
Dec 11	19°C	13°C	32°C 1998	10°C 1996	27%
Dec 12	19°C	13°C	30°C 2018	10°C 1995	28%
Dec 13	19°C	13°C	30°C 2017	10°C 1993	28%
Dec 14	19°C	13°C	29°C 2020	11°C 1996	28%
Dec 15	19°C	13°C	30°C 1999	11°C 1992	30%
Dec 16	19°C	13°C	32°C 2003	11°C 2016	29%
Dec 17	19°C	13°C	26°C 2000	11°C 1991	28%
Dec 18	19°C	13°C	30°C 2004	11°C 1991	28%
Dec 19	19°C	13°C	33°C 2015	11°C 2016	28%
Dec 20	19°C	13°C	35°C 2019	11°C 2020	28%
Dec 21	19°C	14°C	32°C 2006	12°C 1995	28%
Dec 22	19°C	14°C	27°C 2014	11°C 1995	28%
Dec 23	19°C	14°C	30°C 2004	11°C 1995	27%
Dec 24	19°C	14°C	31°C 2015	11°C 1996	27%
Dec 25	19°C	14°C	31°C 2016	11°C 1995	27%
Dec 26	19°C	14°C	30°C 1991	11°C 1995	26%
Dec 27	19°C	14°C	30°C 2017	10°C 1996	25%
Dec 28	19°C	14°C	28°C 2016	11°C 2020	24%
Dec 29	19°C	14°C	29°C 2003	12°C 2013	23%
Dec 30	20°C	14°C	34°C 2019	12°C 2001	22%
Dec 31	20°C	14°C	32°C 2007	12°C 2000	23%

Chance of rain

Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+11).

December 1: sunrise 6:00 AM, sunset 8:38 PM
December 31: sunrise 6:09 AM, sunset 8:57 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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.