Sunday 2 August 2026 - Monthly Climate Summary for Western Australia - Product code IDCKGC11R0

Western Australia in July 2026

Rainfall

• Rainfall totals in July were below to very much below average for most of the state, aside from the Kimberley and parts of the Interior where totals were average. Rainfall totals across much of the South West Land Division were very much below average (in the driest 10% of all Julys since 1900). Across an area of the South Coastal and Great Southern districts, July rainfall was the lowest on record.
• Western Australia's area-averaged rainfall total in July was 6.86 mm, 67% below the 1961–1990 average, the fourth-driest on record for all Julys since 1900.
• It was the driest July in Western Australia since 2012.
• Some sites had their highest July daily rainfall on record.

Temperature

• Mean maximum temperatures in July were above to very much above average across western and central parts, including for the South West Land Division where they were very much above average. Mean maximum temperatures in July were average for much of the Kimberley, the Interior districts and part of the Eucla district.
• Western Australia's area-averaged mean maximum temperature was 22.9 °C, 1.43 °C above the 1961–1990 average.
• Western Australia had its highest mean maximum temperature for July since 2021.
• Some sites had their hottest July day (highest daily maximum temperature) on record.
• Some sites had their highest July mean maximum temperature on record.
• Mean minimum temperatures in July were above to very much above average for large areas of most forecast districts and below average for parts of the Central Wheat Belt, Great Southern, Goldfields and Kimberley districts.
• Western Australia's area-averaged mean minimum temperature was 9.1 °C, 0.59 °C above the 1961–1990 average.
• Some sites had their warmest July night (highest daily minimum temperature) on record.
• Murchison had its highest July mean minimum temperature for at least 20 years.
• Western Australia's area-averaged mean temperature was 16.0 °C, 1.01 °C above the 1961–1990 average.
• Murchison and Gooseberry Hill had their highest July mean temperature on record.

Events

• In mid-July, slow moving high pressure systems resulted in sunny days and directed warm northerly airflow towards the south. Some stations stations in the south-west of Western Australia had their record highest daily maximum temperature records including 23.0 °C at Cape Leeuwin (120 years of data) on the 15th. On the same day, Perth Metro (33 years of data) and Perth Aero (82 years of data) recorded 25.7 °C and 25.6 °C respectively, their second highest temperature in July.
• Between 16 and 18 July, a number of stations in south-western and southern parts of Western Australia, including some stations which have more than 60 years of data, had their record highest daily minimum temperatures for July, including 14.5 °C at Corrigin (79 years of data) and 15.0 °C at Wongan Hills (61 years of data) on 17 July.
• For more details, visit the July national climate summary.

Extremes Maps Records Summaries Important notes the top

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Extremes in July 2026
Hottest day	35.1 °C at Wyndham Aero on the 4th
Warmest days on average	32.2 °C at Yampi Sound (Defence)
Coolest days on average	15.3 °C at Rocky Gully
Coldest day	11.4 °C at Wandering on the 28th
Coldest night	-4.4 °C at Salmon Gums Res.Stn. on the 24th
Coolest nights on average	3.1 °C at York
Warmest nights on average	24.4 °C at Rowley Shoals
Warmest night	25.8 °C at Rowley Shoals on the 14th
Warmest on average overall	26.3 °C at Troughton Island
Coolest on average overall	10.0 °C at Newdegate Research Station
Wettest overall	103.9 mm at Cowaramup
Wettest day	81.0 mm at Green Grove on the 18th
Strongest wind gust	100.0 km/h at Cape Leeuwin on the 26th

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 July daily rainfall
	New record (mm)		Old record		Years of record	Average for July
Riverdale	45.0	on the 17th	43.2	on 09 Jul 1924	114	84.8
Coorow	57.0	on the 18th	54.4	on 31 Jul 2015	114	66.8
Green Grove	81.0	on the 18th	76.8	on 31 Jul 2015	74	95.0
Mordetta	46.2	on the 18th	45.0	on 30 Jul 2001	55	49.4
Port Denison	67.0	on the 18th	48.0	on 03 Jul 2018	26	89.1

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Record highest July temperature
	New record (°C)		Old record		Years of record	Average for July
Cape Leeuwin	23.0	on the 15th	22.5	on 17 Jul 1976	120	16.5
Jurien Bay	26.9	on the 15th	26.2	on 21 Jul 2012	57	19.6
Bickley	22.2	on the 15th	22.0	on 24 Jul 1999	33	15.1
Bridgetown	22.0	on the 15th	21.3	on 08 Jul 2006	29	15.8
Gooseberry Hill	24.2	on the 15th	24.1	on 21 Jul 1994	28	16.6
Collie East	22.9	on the 15th	22.4	on 08 Jul 2006	24	16.3

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Record highest July mean maximum temperature
	New record (°C)	Old record		Years of record	Average for July
Narrogin	16.5	16.4	in 2024	106	14.7
Dwellingup	16.8	16.7	in 2024	89	15.1
Perth Airport M.O.	20.1	19.7	in 2007	83	18.0
Karnet	16.8	=16.8	in 1999	61	15.5
Jandakot Aero	19.4	19.1	in 2024	37	18.1
Perth Metro	19.7	19.5	in 2024	33	18.5
Bickley	16.4	16.1	in 2020	33	15.1
Gooseberry Hill	18.1	17.7	in 2020	28	16.6
North Walpole	16.8	=16.8	in 2024	23	16.1

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Record highest July daily minimum temperature
	New record (°C)		Old record		Years of record	Average for July
Narrogin	14.0	on the 17th	13.3	on 30 Jul 2001	111	5.3
Salmon Gums Res.Stn.	15.2	on the 17th	15.0	on 30 Jul 2001	91	4.7
Corrigin	14.5	on the 17th	13.9	on 02 Jul 1949	79	4.9
Pearce RAAF	16.5	on the 16th	16.0	on 16 Jul 1977	66	8.5
Wongan Hills	15.0	on the 17th	14.5	on 01 Jul 1985	61	6.6
Esperance	16.2	on the 17th	15.0	on 24 Jul 1973	58	8.4
Wagin	13.0	on the 17th	12.8	on 03 Jul 1994	56	5.6
Bickley	14.1	on the 17th	14.0	on 02 Jul 2014	33	7.4
Newdegate Research Station	12.6	on the 18th	12.5	on 29 Jul 2001	31	4.3
Hopetoun North	14.3	on the 18th	14.2	on 26 Jul 1999	30	7.9
Norseman Aero	14.4	on the 17th	14.0	on 03 Jul 2018	27	4.1
Munglinup West	13.6	on the 18th	13.3	on 06 Jul 2020	25	6.7

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Highest July mean minimum temperature for at least 20 years
	Observed (°C)	Most recent higher		Average for July
Murchison	9.2	9.3	in 1996	6.3

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 July mean temperature
	New record (°C)	Old record		Years of record	Average for July
Murchison	16.2	15.7	in 2007	36	13.8
Gooseberry Hill	14.0	=14.0	in 2020	28	13.0

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Extremes Maps Records Summaries Important notes the top

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Summary statistics for July 2026
	Maximum temperatures (°C)				Minimum temperatures (°C)				Rainfall (millimetres)
	Mean for July 2026	Diff from average	Highest for July 2026		Mean for July 2026	Diff from average	Lowest for July 2026		Total for July 2026	Average for July	Rank of July 2026	Fraction of July average
North Kimberley (district 01)
Doongan	28.9	-0.9	32.2	4th	9.6	-1.3	2.4	29th	0.0	2.6	lowest	0%
Kalumburu	31.8	-0.6	34.1	3rd	13.9	0.0	6.6	29th	0.0	1.3	lowest	0%
Troughton Island	29.5	+1.1	31.1	11th	23.1	+0.8	20.7	30th	0.0	2.4	lowest	0%
Truscott	30.3	-0.5	32.0	11th	17.3	-1.0	12.1	29th	0.0	1.9	lowest	0%
Wyndham Aero	31.3	-0.8	35.1	4th	15.7	+0.4	9.6	19th	0.0	3.0	lowest	0%
East Kimberley (district 02)
Halls Creek Airport	26.7	-1.6	31.5	3rd	10.9	-0.1	3.7	28th	1.6	6.5	high	25%
Kununurra Aero	30.6	-0.2	34.5	4th	14.2	-0.5	7.7	29th	0.0	1.5	lowest	0%
West Kimberley (district 03)
Broome Airport	30.3	+1.3	33.0	4th	14.0	+0.3	7.7	29th	0.0	6.2	lowest	0%
Curtin Aero	30.6	-0.5	33.1	4th	16.3	+0.9	12.3	27th	0.0	6.4	lowest	0%
Derby Aero	31.3	+0.4	33.7	4th	14.1	-0.5	9.1	20th	0.6	7.1	high	8%
Fitzroy Crossing Aero	29.8	-1.2	34.7	3rd	13.0	+0.9	6.1	29th	1.4	4.9	average	29%
Yampi Sound (Defence)	32.2		34.7	4th	11.2		4.4	30th	0.0
De Grey (district 04)
Bedout Island	25.4	+0.4	26.0	12th	20.3	+0.6	18.8	2nd
Karratha Aero	27.0	+0.5	30.7	22nd	12.7	-1.1	9.3	28th	0.2	13.4	low	2%
Legendre Island	25.3	+0.4	27.9	6th	17.8	-0.4	15.2	31st
Mandora	30.5	+1.4	33.0	5th	13.0	+0.5	6.8	28th	0.0	8.3	lowest	0%
Marble Bar	27.8	+0.2	31.4	6th	12.3	+0.2	8.4	20th	0.0	11.4	lowest	0%
Pardoo Station	28.7	+0.4	30.4	4th	12.1	-0.8	9.1	20th	0.0	9.1	lowest	0%
Port Hedland Airport	28.9	+1.5	32.3	6th	12.8	+0.3	8.8	27th	0.2	10.0	low	2%
Roebourne Aero	28.6	+0.6	31.4	6th	10.9	-1.2	6.1	28th	0.0	9.1	lowest	0%
Fortescue (district 05)
Barrow Island Airport	24.7	+0.9	27.0	22nd	17.0	-0.5	13.9	28th	2.0	12.4	average	16%
Karijini North	25.6		28.1	6th	13.0		5.9	28th	0.0
Learmonth Airport	26.6	+2.2	29.3	22nd	10.6	-0.8	6.9	29th	0.2	20.7	low	1%
Mardie	29.2	+1.4	31.4	15th	12.3	+0.4	8.3	27th	0.2	13.3	average	2%
Onslow Airport	27.3	+1.7	31.1	22nd	13.7	+0.6	10.6	31st	1.2	18.2	average	7%
Thevenard Island	25.8	+0.8	29.2	21st	17.4	0.0	12.7	28th	0.8	15.7	low	5%
West Gascoyne (district 06)
Carnarvon Airport	25.5	+3.0	31.5	15th	10.1	-0.8	5.3	31st	3.2	41.3	low	8%
Gascoyne Junction	27.6	+4.2	29.5	20th	10.9	+1.4	5.0	31st	0.0	26.3	lowest	0%
Murchison	23.5	+2.2	27.5	16th	9.2	+2.9	4.7	26th	1.8	25.7	v low	7%
Shark Bay Airport	23.7	+0.9	28.9	15th	11.2	+0.6	6.9	30th	13.6	28.3	low	48%
East Gascoyne (district 07)
Newman Aero	23.8	+0.6	26.6	6th	6.9	+0.5	1.2	27th	0.0	13.0	lowest	0%
Paraburdoo Aero	25.9	+0.9	27.9	18th	11.4	+1.5	6.2	27th	0.0	12.6	lowest	0%
Murchison (district 07A)
Meekatharra Airport	21.7	+2.4	25.8	17th	9.2	+1.8	5.3	1st	2.0	19.9	low	10%
Mount Magnet Aero	20.3	+1.2	25.9	17th	8.2	+1.1	3.9	28th	13.8	25.1	average	55%
Paynes Find	20.0	+1.4	26.1	16th	5.6	+0.1	0.4	28th	22.6	34.7	average	65%
North Coast (district 08)
Carnamah	18.5	+0.4	18.5	2nd	8.0	+0.7	8.0	3rd	0.6	66.8	lowest	1%
Dalwallinu	18.3	+1.3	25.2	16th	5.6	-0.4	0.7	29th	56.0	50.9	average	110%
Geraldton Airport	21.9	+1.5	27.6	15th	9.8	+0.4	5.9	25th	60.2	77.1	average	78%
Kalbarri	23.4	+1.5	29.5	15th	11.0	+1.2	5.5	26th	36.3	71.7	low	51%
Morawa Airport	20.3	+1.5	26.9	16th	6.3	+0.1	2.9	29th	21.6	47.0	low	46%
Mullewa	21.0	+2.1	27.0	16th	8.1	+1.0	3.5	26th	17.8	58.9	v low	30%
North Island	22.0	+0.8	25.2	15th	15.6	+0.3	8.5	31st	61.8	68.7	average	90%
Wongan Hills	18.2	+1.1	24.0	15th	7.4	+0.8	2.8	13th	61.0	69.4	average	88%
Central Coast (district 09)
Badgingarra Research Stn	18.6	+1.0	24.8	16th	8.5	+1.2	5.7	13th	82.6	104.2	low	79%
Bickley	16.4	+1.3	22.2	15th	7.8	+0.4	4.5	29th	79.0	220.6	v low	36%
Garden Island HSF	18.6	+0.7	22.8	15th	11.1	-0.3	7.0	8th	64.8	131.9	v low	49%
Gingin Aero	19.5	+1.1	25.4	15th	5.5	-1.0	0.1	11th	43.4	128.6	v low	34%
Jandakot Aero	19.4	+1.3	25.1	15th	7.0	-0.2	1.3	25th	55.6	175.0	v low	32%
Jurien Bay	21.1	+1.5	26.9	15th	9.5	0.0	3.3	28th	50.0	112.2	v low	45%
Karnet	16.8	+1.3	22.8	15th	7.4	+1.0	3.4	13th	72.3	219.8	v low	33%
Lancelin (Defence)	20.6		27.9	15th	10.7		5.4	23rd	25.8
Millendon (Swan Valley)	19.5		24.7	15th	7.3		2.6	14th	42.4
Pearce RAAF	19.5	+1.5	25.1	15th	8.1	-0.4	2.4	11th	45.4	133.9	v low	34%
Perth Airport	19.7		25.2	15th	8.3		3.2	28th	52.8
Perth Airport M.O.	20.1	+2.1	25.6	15th	7.9	-0.2	3.0	12th	49.4	154.0	v low	32%
Perth Metro	19.7	+1.2	25.7	15th	7.9	-0.2	3.6	25th	56.8	147.0	v low	39%
Rottnest Island	18.3	+0.4	21.8	15th	13.0	+0.5	9.9	1st	94.0	114.1	average	82%
Swanbourne	19.3	+0.9	25.4	15th	9.9	0.0	6.2	28th	56.0	153.8	v low	36%
South Coast (district 09A)
Albany	17.0	+1.1	22.1	15th	9.3	+1.0	5.6	22nd	50.9	142.6	lowest	36%
Albany Airport	17.2	+0.6	21.3	15th	7.3	-0.4	1.9	25th	61.4	113.1	lowest	54%
Bridgetown	16.3	+0.5	22.0	15th	5.5	+0.7	-0.7	25th	59.0	130.7	v low	45%
Bunbury	17.8	+0.5	21.7	15th	7.1	-0.3	1.3	25th	90.6	149.2	low	61%
Busselton Aero	17.2	+0.3	20.0	7th	6.6	-0.4	1.9	28th	81.6	141.4	low	58%
Cape Leeuwin	17.9	+1.4	23.0	15th	12.3	+0.9	9.3	29th	60.8	178.2	v low	34%
Cape Naturaliste	17.7	+1.3	20.3	30th	10.9	+0.4	7.8	29th	81.8	160.0	v low	51%
Collie East	17.3	+1.0	22.9	15th	4.0	-0.2	-2.0	25th	55.8	134.6	v low	42%
Donnybrook	18.2	+1.6	23.5	15th	6.4	+0.7	2.4	29th	80.4	185.7	v low	43%
Dwellingup	16.8	+1.7	22.6	15th	5.5	0.0	0.3	25th	91.2	234.2	v low	39%
Esperance	18.4	+1.1	24.3	16th	9.1	+0.7	4.8	25th	57.8	96.7	v low	60%
Esperance Aero	16.9	+0.4	22.6	16th	7.9	+0.3	3.8	25th	44.2	77.4	v low	57%
Hopetoun North	18.3	+0.2	23.2	31st	8.5	+0.6	4.3	29th	45.4	64.7	low	70%
Jarrahwood	17.3	+0.8	22.2	15th	4.5	-0.5	-1.6	25th	76.8	179.1	v low	43%
Mandurah	18.0	+0.5	20.0	14th	11.0	+0.2	7.5	29th	81.8	118.6	low	69%
Manjimup	15.5	+1.0	21.4	15th	7.2	+0.7	3.5	25th	52.6	174.1	v low	30%
Mount Barker	15.1	+0.7	20.0	19th	7.3	+1.2	4.9	20th	48.7	102.4	v low	48%
North Walpole	16.8	+0.7	21.1	15th	9.3	+0.3	6.7	23rd	91.8	182.4	lowest	50%
Rocky Gully	15.3	+0.6	19.7	15th	7.0	+0.4	2.1	25th	51.8	111.5	v low	46%
Shannon	15.7	+0.8	20.5	15th	7.2	+0.5	2.5	25th	61.8	183.4	lowest	34%
Windy Harbour	17.4	+0.6	22.5	15th	9.3	+0.7	5.0	30th	92.8	196.2	v low	47%
Witchcliffe West	16.9		20.6	15th	8.0		4.1	30th	4.0
North Central (district 10)
Bencubbin	18.1	+1.6	24.9	16th	5.5	-0.6	1.5	25th	25.8	44.7	low	58%
Cunderdin Airfield	17.9	+0.7	24.5	16th	4.5	-0.4	-0.8	28th	17.4	51.2	low	34%
Goomalling	18.8	+1.5	23.5	15th	6.0	-0.5	1.1	13th	26.8	63.7	v low	42%
Kellerberrin	18.6	+2.1	23.5	16th	3.0	-2.5	-2.0	24th	4.8	50.7	lowest	10%
Merredin	18.2	+1.8	25.0	16th	4.2	-1.4	0.5	13th	44.6	50.0	average	89%
Northam	18.1	+1.1	23.9	15th	3.9	-1.5	0.0	25th	12.2	81.3	lowest	15%
York	17.7	+0.5	23.0	15th	3.1	-0.8	-2.6	25th	17.2	72.1	v low	24%
South Central (district 10A)
Beverley	17.9	+1.0	23.0	15th	3.7	-1.5	-1.6	25th	17.0	76.8	v low	22%
Brookton	17.4	+1.3	22.9	15th	3.9	-0.6	-0.8	30th	10.7	84.1	lowest	13%
Corrigin	16.9	+1.4	21.5	15th	4.4	-0.5	0.0	22nd	8.2	59.0	lowest	14%
Hyden	17.9	+1.3	23.9	16th	3.7	-1.0	0.1	20th	18.9	47.4	v low	40%
Jacup	16.9	+1.1	21.8	31st	5.5	-0.2	0.5	22nd	16.6	52.7	lowest	32%
Katanning	15.4	+0.6	20.5	15th	5.6	-0.4	-0.5	14th	19.8	62.0	v low	32%
Lake Grace	16.6	+0.9	21.8	16th	4.9	-0.5	-1.2	25th	12.4	38.4	lowest	32%
Narrogin	16.5	+1.8	21.2	15th	5.3	0.0	-0.1	14th	21.5	85.6	v low	25%
Newdegate Research Station	16.7	+1.3	22.2	16th	3.2	-1.1	-2.6	25th	31.2	48.1	low	65%
Ongerup	17.6	+2.4	22.2	15th	3.7	-2.0	1.0	25th	11.6	49.3	lowest	24%
Ravensthorpe	17.8	+1.4	23.3	16th	6.0	-0.8	2.3	25th	20.1	46.6	low	43%
Wagin	16.3	+0.9	21.4	15th	5.3	-0.3	-0.5	25th	21.8	69.9	v low	31%
Wandering	16.4	+0.6	21.8	16th	3.8	-0.4	-2.6	25th	35.0	98.6	v low	36%
Eucla (district 11)
Eucla	18.1	0.0	26.3	19th	7.7	+0.6	2.6	26th	12.4	25.1	low	49%
Forrest	18.7	-0.2	25.7	19th	4.9	-0.1	0.0	26th	4.6	14.0	low	33%
Red Rocks Point	18.6	-0.2	26.0	18th	8.7	+1.3	3.2	26th	25.6	32.3	average	79%
South East (district 12)
Bulga Downs	20.5	+1.0	26.7	17th	5.7	+1.0	0.8	26th	1.6	22.9	v low	7%
Kalgoorlie-Boulder Airport	17.8	+0.9	26.6	17th	5.8	+0.7	0.2	29th	17.2	24.0	average	72%
Laverton Aero	19.8	+1.1	25.2	18th	7.1	+1.2	2.7	25th	2.2	14.4	low	15%
Leinster Aero	20.3	+1.3	25.3	18th	7.1	+1.0	2.6	30th	1.2	14.8	low	8%
Leonora Aero	19.7	+0.4	25.7	17th	6.9	+1.0	0.6	25th	0.8	14.9	v low	5%
Munglinup West	17.5	+0.7	25.4	16th	6.6	-0.1	3.0	25th	33.4	42.6	average	78%
Norseman Aero	18.3	+0.9	24.9	16th	4.1	0.0	-1.9	25th	3.0	21.2	lowest	14%
Salmon Gums Res.Stn.	17.6	+1.4	25.2	16th	4.2	-0.5	-4.4	24th	12.0	36.6	v low	33%
Southern Cross Airfield	17.7	+0.9	25.3	16th	3.7	0.0	-1.0	13th	19.8	34.5	low	57%
North East (district 13)
Carnegie	21.7	+0.1	25.0	21st	5.6	-0.3	-0.5	27th	1.0	11.0	average	9%
Giles Meteorological Office	20.1	-0.2	23.5	21st	7.0	+0.1	1.0	26th	2.0	10.2	average	20%
Telfer Aero	25.9	+0.3	28.4	5th	10.9	+0.2	7.2	26th	3.2	10.4	average	31%
Warburton Airfield	20.4	-0.5	24.3	21st	6.5	+0.7	-0.6	27th	0.4	11.3	low	4%
Wiluna Aero	21.4		26.6	19th	6.1		1.4	26th	3.2
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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