Thursday 2 January 2025 - Monthly Climate Summary for Western Australia - Product code IDCKGC11R0

Western Australia in December 2024

Rainfall

• Rainfall totals in December were above to very much above average for most of Western Australia, and below to very much below average for parts of the state's south-west.
• Western Australia's area-averaged rainfall total in December was 62.3 mm, 113% above the 1961–1990 average.
• Some sites had their highest December daily rainfall on record.
• Several sites had their highest total December rainfall on record and some sites had their highest total December rainfall for at least 20 years.

Temperature

• Mean maximum temperatures in December were above to very much above average for most of the state's south and west.
• Western Australia's area-averaged mean maximum temperature was 37.0 °C, 1.89 °C above the 1961–1990 average, the sixth-warmest on record for all Decembers since 1910.
• Mean minimum temperatures in December were above to very much above average for most of Western Australia.
• Western Australia's area-averaged mean minimum temperature was 22.5 °C, 1.77 °C above the 1961–1990 average, the third-warmest on record for all Decembers since 1910.
• Western Australia had its highest mean minimum temperature for December since 2019.
• The state's area-averaged mean temperature was 29.8 °C, 1.83 °C above the 1961–1990 average, the third-warmest on record for all Decembers since 1910.
• Some sites had their hottest December day (highest daily maximum temperature) on record.
• Carnarvon Airport and Varanus Island had their equal-highest December mean maximum temperature on record.
• Some sites had their warmest December night (highest daily minimum temperature) on record.
• Some sites had their highest December mean minimum temperature on record or their highest December mean minimum temperature for at least 20 years.
• Carnarvon Airport, Onslow Airport, Learmonth Airport and Varanus Island had their highest December mean temperature on record.

Events

• For more information, visit the December national climate summary.

Extremes Maps Records Summaries Important notes the top

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Extremes in December 2024
Hottest day	46.5 °C at Geraldton Airport on the 22nd
Warmest days on average	41.4 °C at Marble Bar
Coolest days on average	21.7 °C at Albany
Coldest day	18.2 °C at Bickley on the 2nd 18.2 °C at Jacup on the 9th
Coldest night	3.0 °C at Eyre on the 29th
Coolest nights on average	11.9 °C at Rocky Gully
Warmest nights on average	28.4 °C at Bedout Island
Warmest night	31.3 °C at Mullewa on the 23rd 31.3 °C at Mullewa on the 22nd
Warmest on average overall	34.2 °C at Marble Bar
Coolest on average overall	17.8 °C at Mount Barker
Wettest overall	329.1 mm at Wallareenya
Wettest day	220.0 mm at Wallareenya on the 28th
Strongest wind gust	113.0 km/h at Fitzroy Crossing Aero on the 31st

Extremes Maps Records Summaries Important notes the top

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Maps
	Observed	Anomaly	Decile rank
Total rainfall
Mean daily maximum temperatures
Mean daily minimum temperatures

Click on a map to show it full size in a pop-up window

Extremes Maps Records Summaries Important notes the top

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Record highest December daily rainfall
	New record (mm)		Old record		Years of record	Average for December
Gindalbie	58.0	on the 14th	57.0	on 29 Dec 1991	102	15.1
Winning	58.0	on the 11th	50.0	on 09 Dec 1908	97	6.7
Wallareenya	220.0	on the 28th	201.2	on 09 Dec 1975	87	24.6
Neds Creek	47.0	on the 14th	43.0	on 07 Dec 1998	78	16.9
Melangata	67.0	on the 12th	51.2	on 20 Dec 2022	68	12.8
Paynes Find	27.6	on the 14th	=27.6	on 10 Dec 1981	67	11.8
Mount Gibson	23.0	on the 12th	20.6	on 17 Dec 2007	43	13.8
Barrow Island Airport	73.8	on the 13th	52.8	on 28 Dec 2012	26	6.1
Coolangatta Alert	34.0	on the 12th	17.0	on 21 Dec 2010	24	6.7

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Record highest December total rainfall
	New record (mm)	Old record		Years of record	Average for December
Wallareenya	297.1	228.6	in 1975	85	28.4
Melangata	77.5	56.1	in 1910	67	14.0
Barrow Island Airport	77.8	53.2	in 2012	26	8.8

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Highest December total rainfall for at least 20 years
	Observed (mm)	Most recent higher		Average for December
Bryah	99.8	99.9	in 1932	15.1
Mount Vernon	101.8	137.0	in 1975	16.8
Telfer Aero	160.6	209.3	in 1995	48.7
Leinster Aero	89.8	125.8	in 1998	24.6
Newman Aero	121.2	236.0	in 1999	35.4
Paraburdoo Aero	93.0	138.0	in 2002	26.7
Ninghan Station	28.0	37.5	in 2002	10.0

note: there may be gaps in the historical record at some sites, so it is possible more recent higher values have gone unreported

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Record highest December temperature
	New record (°C)		Old record		Years of record	Average for December
Carnamah	45.8	on the 22nd	45.3	on 16 Dec 2013	83	33.7
Mullewa	45.5	on the 21st	45.0	on 31 Dec 1994	79	34.6
Pearce RAAF	44.7	on the 23rd	44.2	on 27 Dec 1976	65	30.6
Badgingarra Research Stn	44.5	on the 23rd	44.3	on 28 Dec 1976	56	32.2
Murchison	46.0	on the 22nd	=46.0	on 21 Dec 2012	35	37.6
Bickley	41.0	on the 23rd	=41.0	on 26 Dec 2007	31	28.4
Gooseberry Hill	45.1	on the 23rd	43.4	on 23 Dec 1997	25	30.5

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Record highest December mean maximum temperature
	New record (°C)	Old record		Years of record	Average for December
Carnarvon Airport	32.0	=32.0	in 1975	79	29.5
Varanus Island	33.3	=33.3	in 2019	25	31.2

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Record highest December daily minimum temperature
	New record (°C)		Old record		Years of record	Average for December
Carnarvon Airport	27.3	on the 13th	=27.3	on 11 Dec 1995	79	20.7
Mullewa	31.3	on the 22nd	30.1	on 28 Dec 1943	79	17.2
Pearce RAAF	28.2	on the 23rd	28.0	on 26 Dec 2021	66	14.7
Morawa Airport	29.9	on the 23rd	29.3	on 27 Dec 2003	28	17.6
Pardoo Station	30.9	on the 19th	30.5	on 12 Dec 1993	27	24.8
Barrow Island Airport	29.7	on the 31st	29.0	on 23 Dec 2016	26	24.5
Varanus Island	29.5	on the 31st	29.1	on 27 Dec 2019	25	25.0

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Record highest December mean minimum temperature
	New record (°C)	Old record		Years of record	Average for December
Port Hedland Airport	27.3	26.9	in 2021	77	24.2
Mardie	26.8	26.0	in 1979	69	23.1
Mandora	27.1	26.5	in 2012	60	24.6
Onslow Airport	26.5	25.5	in 2019	59	22.5
Learmonth Airport	23.9	23.3	in 2012	50	20.9
Paynes Find	21.4	21.2	in 2019	46	18.6
Murchison	22.7	22.6	in 2012	34	20.2
Karratha Aero	28.1	27.6	in 2019	32	25.6
Paraburdoo Aero	26.6	26.5	in 2019	29	24.8
Hopetoun North	15.1	15.0	in 2000	28	13.8
Morawa Airport	19.5	19.0	in 2019	28	17.6
Thevenard Island	26.6	26.0	in 2019	28	23.9
Barrow Island Airport	26.8	26.2	in 2012	26	24.5
Shark Bay Airport	21.1	20.9	in 2019	25	19.8
Varanus Island	27.2	26.7	in 2019	25	25.0
Roebourne Aero	27.3	26.9	in 2019	24	24.9

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Highest December mean minimum temperature for at least 20 years
	Observed (°C)	Most recent higher		Average for December
Mullewa	20.1	20.3	in 1972	17.2
Carnarvon Airport	22.8	23.0	in 1972	20.7
Esperance	15.9	16.4	in 1977	14.4
Salmon Gums Res.Stn.	14.3	15.0	in 1982	12.2

note: there may be gaps in the historical record at some sites, so it is possible more recent higher values have gone unreported

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Record highest December mean temperature
	New record (°C)	Old record		Years of record	Average for December
Carnarvon Airport	27.4	27.3	in 1972	79	25.1
Onslow Airport	32.3	32.2	in 2019	59	29.2
Learmonth Airport	31.8	31.7	in 2019	50	29.0
Varanus Island	30.3	30.0	in 2019	25	28.1

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Extremes Maps Records Summaries Important notes the top

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Summary statistics for December 2024
	Maximum temperatures (°C)				Minimum temperatures (°C)				Rainfall (millimetres)
	Mean for December 2024	Diff from average	Highest for December 2024		Mean for December 2024	Diff from average	Lowest for December 2024		Total for December 2024	Average for December	Rank of December 2024	Fraction of December average
North Kimberley (district 01)
Doongan	34.5	-0.2	38.8	21st	23.6	+0.4	22.4	30th	164.8	218.7	average	75%
Kalumburu	35.3	-0.4	39.2	20th	25.8	+0.7	23.5	22nd	192.2	229.6	average	84%
Troughton Island	33.5	+0.5	35.0	2nd	28.0	+0.6	24.8	24th	133.6	123.5	average	108%
Truscott	33.5	-0.8	36.0	20th	25.8	-0.3	23.2	22nd	230.8	194.3	average	119%
Wyndham Aero	38.4	+0.2	42.7	20th	27.0	+0.3	24.1	29th	116.8	147.7	average	79%
East Kimberley (district 02)
Argyle Aerodrome	38.5	+0.8	42.9	20th	27.4	+1.2	22.2	3rd	75.0	134.4	low	56%
Halls Creek Airport	38.8		43.0	21st	25.6		21.9	3rd	54.0
Kununurra Aero	37.3	-0.1	41.5	20th	25.5	0.0	22.4	23rd	181.6	141.9	high	128%
Warmun	40.2	+1.8	43.5	21st	26.7	+1.5	22.9	3rd	11.0	119.4	v low	9%
West Kimberley (district 03)
Bidyadanga	35.7	+0.7	44.2	22nd	24.9	-0.9	20.5	12th	114.2	59.1	high	193%
Broome Airport	35.3	+1.4	39.5	22nd	27.6	+1.0	24.3	29th	170.4	63.0	high	270%
Curtin Aero	38.3	-0.3	42.9	22nd	25.9	+0.7	22.5	20th	215.0	146.1	high	147%
Derby Aero	37.6	+0.2	43.1	21st	27.2	+0.9	22.8	20th	161.0	81.5	high	198%
Fitzroy Crossing Aero	39.6	+0.2	42.3	22nd	26.0	+0.2	23.2	19th	178.8	131.6	high	136%
Yampi Sound (Defence)	36.7		40.1	21st	26.0		23.9	26th	120.8
De Grey (district 04)
Bedout Island	33.8	+0.4	38.4	22nd	28.4	+1.3	24.9	13th
Karratha Aero	37.9	+1.9	43.6	22nd	28.1	+2.5	23.0	4th	2.4	14.1	average	17%
Legendre Island	33.9	+1.6	37.3	22nd	27.8	+1.8	24.5	4th
Mandora	37.1	+0.3	45.6	22nd	27.1	+2.5	23.6	22nd	132.8	33.3	high	399%
Marble Bar	41.4	-0.7	44.3	21st	26.9	+0.6	23.4	24th	56.0	34.6	high	162%
Port Hedland Airport	37.4	+0.6	46.3	23rd	27.3	+3.1	22.9	3rd	17.6	18.9	high	93%
Roebourne Aero	40.2	+0.6	46.0	22nd	27.3	+2.4	22.3	3rd	13.8	14.1	high	98%
Fortescue (district 05)
Barrow Island Airport	34.3	+2.0	40.0	23rd	26.8	+2.3	22.8	4th	77.8	6.1	highest	1275%
Karijini North	40.0		43.5	7th	26.5		23.1	11th	132.8
Learmonth Airport	39.6	+2.6	44.6	19th	23.9	+3.0	19.5	3rd	0.4	5.8	average	7%
Mardie	39.3	+1.7	44.9	19th	26.8	+3.7	21.1	3rd	21.0	9.1	high	231%
Onslow Airport	38.1	+2.1	44.1	27th	26.5	+4.0	21.0	4th	2.2	3.2	high	69%
Thevenard Island	34.6	+2.4	40.5	27th	26.6	+2.7	21.5	4th	10.0	6.1	high	164%
West Gascoyne (district 06)
Carnarvon Airport	32.0	+2.5	44.1	28th	22.8	+2.1	18.7	26th	0.8	5.1	high	16%
Emu Creek Station	40.4	+0.5	45.6	19th	24.3	+1.9	19.6	3rd	49.0	13.7	high	358%
Gascoyne Junction	39.5	+0.7	44.0	17th	24.1	+2.9	18.0	3rd	52.4	3.9	high	1344%
Murchison	39.3	+1.7	46.0	22nd	22.7	+2.5	14.5	2nd	3.7	12.5	average	30%
Shark Bay Airport	34.1	+1.6	43.2	28th	21.1	+1.3	16.3	3rd	0.0	7.1	lowest	0%
East Gascoyne (district 07)
Newman Aero	38.8	-0.6	43.1	7th	24.4	+0.1	19.9	3rd	121.2	33.7	high	360%
Paraburdoo Aero	40.7	0.0	45.3	7th	26.6	+1.8	20.2	4th	93.0	25.3	high	368%
Murchison (district 07A)
Meekatharra Airport	38.3	+1.6	43.0	7th	24.8	+2.5	16.2	2nd	21.6	14.2	high	152%
Mount Magnet Aero	37.7	+1.5	44.0	8th	23.3	+1.9	15.6	2nd	26.2	17.2	high	152%
Paynes Find	37.3	+2.0	43.2	23rd	21.4	+2.8	12.7	3rd	34.8	11.8	high	295%
North Coast (district 08)
Carnamah	37.7	+4.0	45.8	22nd	16.6	+0.4	10.6	3rd	3.2	8.5	average	38%
Dalwallinu	36.7	+3.2	43.7	22nd	17.2	+1.3	8.9	3rd	1.6	10.5	average	15%
Geraldton Airport	32.3	+0.8	46.5	22nd	18.3	+1.3	11.2	27th	1.4	4.3	average	33%
Kalbarri	32.1	+0.8	42.2	10th	19.3	+1.6	12.9	3rd	0.0	3.6	lowest	0%
Morawa Airport	37.5	+2.0	45.8	23rd	19.5	+1.9	11.5	3rd	9.6	12.5	average	77%
Mullewa	36.9	+2.3	45.5	22nd	20.1	+2.9	13.5	3rd	6.8	8.4	average	81%
North Island	27.1	+0.4	30.4	10th	20.7	+0.6	18.1	2nd	0.2	3.5	average	6%
Wongan Hills	35.7	+3.0	43.2	23rd	17.0	+1.2	10.6	3rd	15.4	9.7	high	159%
Central Coast (district 09)
Badgingarra Research Stn	34.2	+2.0	44.5	23rd	16.8	+1.6	8.4	3rd	6.2	8.6	average	72%
Bickley	30.2	+1.8	41.0	23rd	14.9	+1.1	9.0	26th	8.0	13.8	average	58%
Garden Island HSF	27.0	+1.2	40.3	23rd	18.5	+1.1	14.9	26th	0.8	9.2	low	9%
Gingin Aero	32.7	+1.7	44.7	23rd	15.8	+1.3	7.1	5th	1.2	9.2	average	13%
Jandakot Aero	31.6	+2.2	43.5	23rd	16.7	+1.7	7.2	26th	4.4	9.9	average	44%
Jurien Bay	29.3	+0.9	43.1	22nd	17.8	+2.1	12.5	5th	0.2	6.2	low	3%
Karnet	29.5	+1.2	40.6	23rd	14.4	+0.8	10.0	26th	5.8	17.9	average	32%
Lancelin (Defence)	28.3		44.8	23rd	17.3		12.6	20th	1.0
Millendon (Swan Valley)	32.9		42.0	11th	16.8		8.6	26th	0.2
Pearce RAAF	33.9	+3.3	44.7	23rd	16.7	+2.0	8.7	26th	4.2	10.5	average	40%
Perth Airport	33.0	+3.7	44.3	23rd	16.8	+1.7	7.7	26th	2.4	10.7	low	22%
Perth Metro	31.0	+1.5	43.4	23rd	17.7	+1.2	11.2	26th	3.8	9.5	average	40%
Rottnest Island	25.6	+0.4	39.3	23rd	18.5	+0.8	14.0	2nd	3.0	10.0	average	30%
Swanbourne	29.1	+1.0	42.9	23rd	18.0	+1.2	12.9	26th	2.2	9.9	average	22%
South Coast (district 09A)
Albany	21.7	-0.1	27.0	23rd	15.7	+1.6	11.9	2nd	9.7	29.6	low	33%
Albany Airport	24.7	+1.1	37.9	23rd	13.1	+0.8	7.0	7th	7.4	30.4	low	24%
Bridgetown	29.0	+1.2	39.8	23rd	12.2	+1.1	5.7	28th	5.8	16.5	average	35%
Bunbury	29.5	+1.9	37.2	21st	14.5	+0.8	8.2	26th	4.8	15.2	average	32%
Busselton Aero	29.2	+0.9	37.5	22nd	12.7	+0.2	7.1	28th	5.6	9.0	average	62%
Cape Leeuwin	22.4	+0.5	25.9	23rd	16.7	+0.9	13.4	5th	3.4	20.1	v low	17%
Cape Naturaliste	27.3	+3.5	35.9	22nd	15.2	+1.2	12.4	28th	0.0	13.1	lowest	0%
Collie East	30.0	+1.0	40.5	23rd	12.7	+1.1	6.6	26th	4.0	18.1	average	22%
Donnybrook	30.9	+2.6	39.4	23rd	15.4	+2.9	12.0	2nd	8.2	16.1	average	51%
Dwellingup	30.2	+2.7	40.5	23rd	14.1	+1.4	7.9	26th	1.8	20.2	v low	9%
Esperance	25.4	+0.8	36.6	24th	15.9	+1.5	11.2	29th	9.8	18.8	average	52%
Esperance Aero	27.9	+1.9	38.1	18th	14.5	+1.1	10.1	3rd	6.4	21.0	low	30%
Hopetoun North	24.7	+0.7	37.4	18th	15.1	+1.3	9.8	29th	19.8	21.5	average	92%
Jarrahwood	29.8	+2.3	39.0	23rd	12.2	+1.0	6.0	28th	7.8	16.6	average	47%
Mandurah	29.4	+1.8	40.6	22nd	18.6	+1.2	13.9	27th	0.2	13.9	lowest	1%
Manjimup	27.3	+2.2	38.2	23rd	12.7	+1.0	9.1	25th	8.4	24.8	low	34%
Mount Barker	24.9	+0.7	34.2	1st	11.7	+0.3	9.9	2nd	0.4	29.4	lowest	1%
North Walpole	23.4	+0.7	32.9	23rd	13.4	+0.5	10.0	29th	13.0	37.4	low	35%
Rocky Gully	26.7	+1.0	39.6	23rd	11.9	+0.8	6.2	7th	3.8	26.9	v low	14%
Shannon	25.3	+0.7	35.8	23rd	12.4	+1.0	8.3	7th	11.2	29.0	average	39%
Windy Harbour	21.8	-0.2	25.5	17th	13.5	+0.5	8.0	30th	13.8	26.4	average	52%
Witchcliffe West	25.1		35.3	23rd	13.6		7.4	5th	14.4
North Central (district 10)
Bencubbin	35.7	+3.1	42.1	18th	18.2	+2.1	10.1	4th	10.4	13.0	average	80%
Cunderdin Airfield	35.7	+2.5	43.9	23rd	15.6	+0.6	8.5	3rd	13.8	7.5	high	184%
Goomalling	37.6	+5.3	44.0	23rd	16.1	+1.2	10.0	3rd	0.0	10.3	lowest	0%
Kellerberrin	37.5	+5.3	42.0	11th	21.0	+6.0	20.0	11th	4.0	12.9	average	31%
Merredin	33.6	+1.3	41.0	23rd	17.4	+1.5	9.4	3rd	14.2	13.7	average	104%
Northam	34.7	+2.5	43.9	23rd	15.7	+0.3	9.4	27th	1.9	9.0	average	21%
York	35.2	+2.6	45.3	23rd	13.7	-0.4	7.0	26th	2.0	10.8	low	18%
South Central (district 10A)
Beverley	36.1	+3.7	43.8	23rd	15.3	+0.9	8.6	26th	1.4	10.2	average	14%
Brookton	33.3	+2.1	43.1	23rd	14.0	+0.4	8.7	3rd	0.8	10.1	low	8%
Corrigin	33.4	+2.8	41.5	18th	14.3	+0.3	9.5	3rd	5.2	12.5	average	42%
Hyden	34.1	+2.1	42.1	18th	15.0	+1.1	9.4	26th	8.9	14.0	average	64%
Jacup	27.9	+1.5	41.3	18th	12.2	+0.7	6.0	28th	0.0	26.2	lowest	0%
Katanning	30.0	+1.2	40.1	23rd	12.5	+0.7	8.1	25th	0.0	21.9	lowest	0%
Lake Grace	31.5	+1.8	40.7	18th	14.1	+0.5	10.1	26th	4.6	18.3	average	25%
Narrogin	31.3	+2.2	41.2	23rd	13.7	+1.3	8.8	26th	3.4	13.7	average	25%
Newdegate Research Station	31.6	+1.8	41.9	18th	12.1	+0.4	5.2	28th	4.0	14.7	low	27%
Ongerup	30.9	+3.5	40.5	18th					0.0	17.5	lowest	0%
Pingelly	31.8	+1.6	42.1	23rd	14.4	+0.5	9.5	27th	0.8	12.3	low	6%
Ravensthorpe	28.3	+1.0	40.0	18th	13.7	+0.9	9.0	26th	22.3	23.3	average	96%
Wagin	30.7	+1.3	41.4	23rd	13.3	+0.3	8.4	28th	1.0	13.1	low	8%
Wandering	31.9	+1.3	42.9	23rd	12.5	+0.4	5.2	26th	0.0	15.4	lowest	0%
Eucla (district 11)
Eucla	27.6	+2.7	37.2	30th	16.2	+1.0	10.5	29th	9.8	18.7	average	52%
Eyre	29.2	+3.4	40.5	4th	15.4	+1.4	3.0	29th	9.6	20.7	average	46%
Forrest	34.0	+2.4	41.0	15th	16.5	+1.5	11.8	27th	15.0	24.0	average	62%
Red Rocks Point	26.0	+1.3	36.8	1st	17.2	+0.7	10.3	3rd	22.0	17.3	high	127%
South East (district 12)
Bulga Downs	37.8	+1.4	43.1	19th	22.1	+1.7	14.5	3rd	21.8	12.6	high	173%
Kalgoorlie-Boulder Airport	34.8	+2.7	40.7	19th	18.8	+2.1	11.7	27th	6.4	15.9	average	40%
Laverton Aero	36.2	+2.1	41.0	24th	21.5	+1.6	16.1	27th	47.4	26.1	high	182%
Leinster Aero	36.8	+1.0	41.7	24th	23.0	+1.6	17.5	3rd	89.8	22.4	high	401%
Leonora Aero	36.3	+0.7	41.2	19th	22.3	+1.2	16.2	3rd	33.4	13.5	high	247%
Munglinup West	29.1	+1.4	40.5	18th	13.5	+1.0	8.6	27th	7.8	22.7	average	34%
Norseman Aero	33.2	+1.8	40.4	24th	15.7	+1.7	8.3	27th	34.8	18.4	high	189%
Salmon Gums Res.Stn.	31.3	+2.2	41.2	24th	14.3	+2.1	6.0	3rd	23.4	19.0	average	123%
Southern Cross Airfield	35.1	+2.0	41.1	18th	18.1	+2.3	10.9	3rd	24.0	13.9	high	173%
North East (district 13)
Carnegie	38.0	+0.2	44.6	6th	23.1	+0.8	18.0	3rd	93.9	24.5	high	383%
Giles Meteorological Office	37.2	+1.2	42.1	25th	23.7	+1.7	18.0	28th	28.2	47.1	average	60%
Telfer Aero	40.6	+0.1	43.6	5th	26.1	+0.4	22.5	12th	160.6	46.4	high	346%
Warburton Airfield	37.3	+0.4	43.4	5th	23.6	+1.9	18.2	28th	77.2	32.4	high	238%
Wiluna Aero	38.4		43.1	6th	24.2		18.3	27th	60.8
Note: From 2017, information about Christmas Island and the Cocos and Keeling Islands can be found in the climate summary for the Remote Islands and Antarctica

Extremes Maps Records Summaries Important notes the top

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