Bacchus Marsh climate

Bacchus Marsh Weather in December

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

Average highs run from 24°C on December 1 to 27°C on December 31, and lows from 9°C to 11°C. Normal precipitation for the month is 50 mm over about 6 wet days.

December day by day

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

Normal daily high and low temperature at Bacchus Marsh, in °C, with the record for each date.01020304050151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

December at a glance

Average high
25°C
Average low
10°C
Precipitation
50 mm
Reanalysis high
44°CDec 20, 2019
Reanalysis low
2°CDec 5, 1993
Daylight
14 h 33 min to 14 h 44 min
Cloud cover
60%
Humidity
61%
Dew point
8°C
Wind
17.3 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 124°C9°C33°C 19993°C 199427%
Dec 224°C10°C34°C 20135°C 201527%
Dec 324°C10°C32°C 19946°C 202026%
Dec 424°C10°C33°C 19945°C 199326%
Dec 524°C10°C36°C 19942°C 199326%
Dec 624°C10°C36°C 19943°C 201326%
Dec 724°C10°C35°C 20184°C 199525%
Dec 824°C10°C35°C 20125°C 199624%
Dec 925°C10°C38°C 20065°C 200924%
Dec 1025°C10°C41°C 20065°C 199624%
Dec 1125°C10°C39°C 19984°C 199523%
Dec 1225°C10°C38°C 19983°C 199523%
Dec 1325°C10°C35°C 20125°C 199523%
Dec 1425°C10°C33°C 20067°C 199623%
Dec 1525°C10°C36°C 20027°C 199223%
Dec 1625°C10°C36°C 20036°C 201023%
Dec 1725°C10°C37°C 20036°C 199322%
Dec 1826°C10°C39°C 20195°C 201623%
Dec 1926°C10°C41°C 20155°C 199123%
Dec 2026°C10°C44°C 20195°C 201023%
Dec 2126°C10°C38°C 20025°C 199822%
Dec 2226°C10°C34°C 20145°C 201022%
Dec 2326°C10°C37°C 20125°C 200722%
Dec 2426°C11°C35°C 19985°C 201022%
Dec 2526°C11°C37°C 19985°C 200622%
Dec 2626°C11°C34°C 20186°C 200622%
Dec 2727°C11°C38°C 20184°C 199621%
Dec 2827°C11°C38°C 19944°C 201021%
Dec 2927°C11°C40°C 20196°C 202021%
Dec 3027°C11°C42°C 20196°C 201321%
Dec 3127°C11°C42°C 20056°C 200022%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Bacchus Marsh, in percent.01020301102030
  • Chance of a wet day

Sunrise and sunset

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

December 1
sunrise 5:55 AM, sunset 8:28 PM
December 31
sunrise 6:03 AM, sunset 8:47 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.