Busselton Weather in December
Average highs run from 24°C on December 1 to 29°C on December 31, and lows from 10°C to 13°C. Normal precipitation for the month is 10 mm over about 3 wet days.
December day by day
The normal high and low for each date, and the record, in °C.
- Normal low
- Normal high
- Record high
- Record low
December at a glance
- Average high
- 28°C
- Average low
- 12°C
- Precipitation
- 10 mm
- Record high
- 41°CDec 26, 2021
- Record low
- 2°CDec 6, 2007
- Daylight
- 14 h 13 min to 14 h 21 min
- Cloud cover
- 53%
- Humidity
- 58%
- Dew point
- 11°C
- Wind
- 20.5 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 | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Dec 1 | 24°C | 10°C | 33°C 2025 | 3°C 2004 | 17% |
| Dec 2 | 26°C | 9°C | 33°C 2019 | 4°C 2014 | 16% |
| Dec 3 | 27°C | 11°C | 37°C 2019 | 6°C 2004 | 16% |
| Dec 4 | 26°C | 12°C | 35°C 2019 | 5°C 2004 | 15% |
| Dec 5 | 26°C | 12°C | 37°C 2019 | 6°C 2015 | 15% |
| Dec 6 | 26°C | 12°C | 38°C 2019 | 2°C 2007 | 15% |
| Dec 7 | 26°C | 13°C | 34°C 1998 | 7°C 2018 | 14% |
| Dec 8 | 26°C | 11°C | 37°C 2021 | 6°C 2009 | 13% |
| Dec 9 | 27°C | 11°C | 34°C 2021 | 4°C 2003 | 12% |
| Dec 10 | 29°C | 12°C | 37°C 2016 | 6°C 2022 | 13% |
| Dec 11 | 29°C | 13°C | 36°C 2002 | 4°C 2003 | 13% |
| Dec 12 | 28°C | 13°C | 38°C 2002 | 8°C 2008 | 12% |
| Dec 13 | 28°C | 12°C | 37°C 2019 | 7°C 2014 | 11% |
| Dec 14 | 29°C | 13°C | 39°C 2019 | 6°C 2021 | 11% |
| Dec 15 | 28°C | 13°C | 38°C 2019 | 6°C 2021 | 10% |
| Dec 16 | 28°C | 12°C | 37°C 2006 | 6°C 2003 | 10% |
| Dec 17 | 28°C | 12°C | 34°C 2003 | 6°C 2014 | 10% |
| Dec 18 | 28°C | 12°C | 35°C 2002 | 5°C 2004 | 9% |
| Dec 19 | 27°C | 13°C | 36°C 2002 | 4°C 2021 | 8% |
| Dec 20 | 27°C | 12°C | 36°C 2002 | 7°C 1998 | 7% |
| Dec 21 | 29°C | 12°C | 37°C 2016 | 5°C 2003 | 7% |
| Dec 22 | 29°C | 13°C | 38°C 2015 | 5°C 2000 | 7% |
| Dec 23 | 30°C | 14°C | 37°C 2024 | 8°C 2000 | 7% |
| Dec 24 | 30°C | 13°C | 36°C 2025 | 6°C 2009 | 6% |
| Dec 25 | 31°C | 13°C | 40°C 2025 | 8°C 2013 | 6% |
| Dec 26 | 31°C | 14°C | 41°C 2021 | 8°C 2008 | 6% |
| Dec 27 | 30°C | 15°C | 38°C 2021 | 7°C 2005 | 5% |
| Dec 28 | 29°C | 14°C | 38°C 2011 | 7°C 2024 | 5% |
| Dec 29 | 30°C | 14°C | 38°C 2011 | 7°C 2003 | 5% |
| Dec 30 | 29°C | 13°C | 41°C 2012 | 7°C 2005 | 5% |
| Dec 31 | 29°C | 13°C | 39°C 2012 | 7°C 2002 | 5% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+8).
- December 1
- sunrise 5:01 AM, sunset 7:14 PM
- December 31
- sunrise 5:11 AM, sunset 7:32 PM
Other months
Sources
Records: NOAA GHCN-Daily, station ASN00009603, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: 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.