Sunday 3 May 2026 - Monthly Climate Summary for Western Australia - Product code IDCKGC11R0

Western Australia in April 2026

Rainfall

• Rainfall totals in April were below average for areas of the Kimberley, the Pilbara and Gascoyne coasts, parts of Northern Interior, Southern Interior and South Coastal districts, into the Great Southern district and above average for parts of the Goldfields, South East Coastal and Eucla districts.
• Western Australia's area-averaged rainfall total in April was 14.6 mm, 30% below the 1961–1990 average.
• Laverton Aero had its highest total April rainfall on record.
• Edjudina and Busselton Shire had their highest total April rainfall for at least 20 years.

Temperature

• Mean maximum temperatures in April were above to very much above average for much of central inland Western Australia, and below average for parts of the Pilbara and Gascoyne coasts, and some coastal parts of the Central West, Lower West, South West and South Coastal districts.
• Western Australia's area-averaged mean maximum temperature was 31.7 °C, 1.96 °C above the 1961–1990 average, the ninth-warmest on record for all Aprils since 1910.
• Western Australia had its highest mean maximum temperature for April since 2020.
• Swanbourne had its coolest April day (lowest daily maximum temperature) on record.
• Some sites had their lowest April mean maximum temperature for at least 20 years.
• Mean minimum temperatures in April were above to very much above average for most of the southern two thirds of Western Australia, including a large area of highest on record across the Gascoyne, Goldfields and Southern Interior districts. They were below to very much below average for most of the Kimberley, South West and South Coastal districts.
• Western Australia's area-averaged mean minimum temperature was 18.1 °C, 1.45 °C above the 1961–1990 average, the ninth-warmest on record for all Aprils since 1910.
• Western Australia had its highest mean minimum temperature for April since 2020.
• Newdegate Research Station had its coldest April night (lowest daily minimum temperature) on record.
• Some sites had their highest April mean minimum temperature on record.
• A few sites had their highest April mean minimum temperature for at least 20 years.
• Rocky Gully had its lowest April mean minimum temperature on record.
• Manjimup and Wongan Hills had their lowest April mean minimum temperature for at least 20 years.
• Western Australia's area-averaged mean temperature was 24.9 °C, 1.71 °C above the 1961–1990 average, the eighth-warmest on record for all Aprils since 1910.
• Warburton Airfield had its highest April mean temperature on record.
• Some sites had their highest April mean temperature for at least 20 years.
• Some sites had their lowest April mean temperature for at least 20 years.

Events

• Between 2 and 5 April, low pressure troughs moved across parts of western and southern Western Australia triggering thunderstorms, some severe, with showers, heavy rainfall and strong winds.
• A strong cold front crossed southern Western Australia on 20 and 21 April, bringing strong winds, isolated thunderstorms, showers and below average temperatures.
• For more details, visit the April national climate summary.

Extremes Maps Records Summaries Important notes the top

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Extremes in April 2026
Hottest day	40.8 °C at Mandora on the 19th
Warmest days on average	37.8 °C at Mandora
Coolest days on average	20.1 °C at Shannon
Coldest day	14.4 °C at Manjimup on the 27th
Coldest night	0.8 °C at Newdegate Research Station on the 22nd
Coolest nights on average	7.7 °C at Jarrahwood
Warmest nights on average	27.4 °C at Adele Island
Warmest night	29.2 °C at Broome Wharf NTC AWS on the 11th
Warmest on average overall	29.9 °C at Troughton Island 29.9 °C at Karijini North
Coolest on average overall	14.8 °C at Rocky Gully 14.8 °C at Bridgetown
Wettest overall	117.7 mm at Araluen
Wettest day	70.0 mm at Busselton Shire on the 20th
Strongest wind gust	124.0 km/h at Busselton Jetty on the 21st

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 April total rainfall
	New record (mm)	Old record		Years of record	Average for April
Laverton Aero	62.8	50.2	in 2014	31	18.7

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Highest April total rainfall for at least 20 years
	Observed (mm)	Most recent higher		Average for April
Edjudina	96.3	104.4	in 1900	20.1
Busselton Shire	99.3	122.8	in 1990	41.6

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 lowest April daily maximum temperature
	New record (°C)		Old record		Years of record	Average for April
Swanbourne	16.4	on the 27th	16.6	on 19 Apr 2019	33	25.4

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Lowest April mean maximum temperature for at least 20 years
	Observed (°C)	Most recent higher		Average for April
North Walpole	20.6	18.9	in 2006	21.5
Rocky Gully	20.4	18.6	in 2006	21.9
Garden Island HSF	22.1	21.9	in 2006	24.0
Rottnest Island	21.8	21.4	in 2006	23.8
Jurien Bay	25.2	24.8	in 2006	26.5

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

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Record lowest April temperature
	New record (°C)		Old record		Years of record	Average for April
Newdegate Research Station	0.8	on the 22nd	1.0	on 21 Apr 2019	30	10.2

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Record highest April mean minimum temperature
	New record (°C)	Old record		Years of record	Average for April
Meekatharra Airport	20.1	20.0	in 1978	77	17.1
Giles Meteorological Office	20.5	20.3	in 2005	70	16.4
Warburton Airfield	19.7	19.6	in 2020	52	15.5
Newman Aero	21.6	21.5	in 2020	30	17.7
Bulga Downs	16.7	16.3	in 2013	24	14.2
Leonora Aero	17.5	17.2	in 2013	20	15.2

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Highest April mean minimum temperature for at least 20 years
	Observed (°C)	Most recent higher		Average for April
Eucla	15.1	15.3	in 2002	13.4
Carnegie	19.2	19.3	in 2005	16.2
Leinster Aero	17.9	19.2	in 2005	15.3

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 lowest April mean minimum temperature
	New record (°C)	Old record		Years of record	Average for April
Rocky Gully	9.1	9.6	in 2005	31	10.9

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Lowest April mean minimum temperature for at least 20 years
	Observed (°C)	Most recent lower		Average for April
Manjimup	10.2	10.0	in 2006	10.8
Wongan Hills	12.4	10.9	in 2006	13.3

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

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Record highest April mean temperature
	New record (°C)	Old record		Years of record	Average for April
Warburton Airfield	26.6	26.4	in 2005	52	22.6

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Highest April mean temperature for at least 20 years
	Observed (°C)	Most recent higher		Average for April
Eucla	20.5	21.6	in 1981	18.6
Meekatharra Airport	26.5	26.9	in 1981	23.2
Giles Meteorological Office	26.6	26.9	in 2005	23.0
Carnegie	26.2	26.9	in 2005	23.2

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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Lowest April mean temperature for at least 20 years
	Observed (°C)	Most recent lower		Average for April
Wagin	16.4	15.3	in 2006	17.2
North Walpole	16.2	15.3	in 2006	17.2
Rocky Gully	14.8	14.2	in 2006	16.4
Jarrahwood	15.2	14.4	in 2006	16.4
Bridgetown	14.8	14.3	in 2006	16.3
Albany	16.4	15.6	in 2006	16.9

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

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Extremes Maps Records Summaries Important notes the top

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Summary statistics for April 2026
	Maximum temperatures (°C)				Minimum temperatures (°C)				Rainfall (millimetres)
	Mean for April 2026	Diff from average	Highest for April 2026		Mean for April 2026	Diff from average	Lowest for April 2026		Total for April 2026	Average for April	Rank of April 2026	Fraction of April average
North Kimberley (district 01)
Doongan	33.0	-0.3	34.7	9th	18.7	-0.5	12.2	15th	0.0	46.8	lowest	0%
Kalumburu	35.4	+0.5	37.3	8th	21.6	+0.2	15.6	29th	6.4	49.2	low	13%
Troughton Island	33.1	+0.3	35.0	17th	26.7	-0.3	25.0	20th	34.6	39.1	average	88%
Truscott	32.7	-0.6	34.8	3rd	23.6	-0.6	18.6	28th	21.6	67.3	average	32%
Wyndham Aero	36.2	-0.5	37.7	5th	22.9	-0.5	16.7	15th	1.8	28.7	low	6%
East Kimberley (district 02)
Halls Creek Airport	33.5	-1.3	35.7	2nd	17.3	-2.0	11.5	15th	0.0	5.8	lowest	0%
Kununurra Aero	35.6	+0.2	36.8	22nd	20.6	-1.2	15.2	15th	1.4	32.7	low	4%
West Kimberley (district 03)
Broome Airport	34.9	+0.5	37.3	18th	22.8	+0.1	17.3	16th	1.8	25.6	average	7%
Curtin Aero	36.1	-0.3	38.1	10th	21.1	-1.3	14.4	16th	2.8	37.0	average	8%
Cygnet Bay	33.4	-0.1	35.0	7th	23.6	+0.9	19.5	15th	5.2	42.4	average	12%
Fitzroy Crossing Aero	36.7	-0.2	38.8	10th	20.2	-0.6	14.4	15th	0.2	22.1	low	1%
Yampi Sound (Defence)	36.7		38.4	18th	21.5		14.8	15th	0.0
De Grey (district 04)
Bedout Island	32.1	-0.6	33.4	19th	27.0	-0.1	25.7	29th
Karratha Aero	34.4	0.0	37.5	6th	23.5	+0.5	21.4	20th	0.0	18.1	lowest	0%
Legendre Island	32.4	-0.1	35.4	5th	25.7	0.0	24.4	11th
Mandora	37.8	+1.5	40.8	19th	19.9	-1.0	14.9	30th	0.0	18.6	lowest	0%
Marble Bar	37.7	+1.5	40.3	6th	21.3	-0.8	18.3	29th	0.0	22.2	lowest	0%
Port Hedland Airport	36.0	+0.7	39.5	6th	23.1	+1.5	19.1	28th	0.0	20.8	lowest	0%
Roebourne Aero	35.6	-0.6	38.5	6th	22.2	+0.2	19.4	30th	0.0	9.1	lowest	0%
Fortescue (district 05)
Barrow Island Airport	30.5	-0.9	32.5	12th	24.5	-0.2	22.4	12th	0.0	32.7	lowest	0%
Karijini North	36.0		39.6	1st	23.5		19.1	29th	14.4
Learmonth Airport	31.7	-1.7	34.7	25th	20.7	+0.3	18.2	18th	0.0	19.4	lowest	0%
Mardie	34.6	-1.3	38.0	19th	22.0	+0.7	19.6	19th	0.0	19.5	lowest	0%
Onslow Airport	33.2	-0.8	36.7	19th	22.3	+0.7	19.5	10th	0.4	12.2	average	3%
Thevenard Island	30.2	-2.0	31.6	15th	23.7	-0.8	21.2	11th	0.0	17.2	lowest	0%
West Gascoyne (district 06)
Carnarvon Airport	28.5	-0.8	34.7	13th	19.6	+0.4	15.7	18th	0.2	15.3	low	1%
Murchison	32.2	+1.1	35.8	3rd					0.2	20.2	v low	1%
Shark Bay Airport	29.4	-1.8	35.2	14th	18.3	-0.1	13.3	22nd	4.0	9.5	high	42%
East Gascoyne (district 07)
Newman Aero	34.8	+2.7	38.5	1st	21.6	+3.9	15.5	29th	9.2	20.8	average	44%
Paraburdoo Aero	35.9	+2.0	39.6	1st	21.9	+1.9	18.3	18th	28.6	23.1	average	124%
Murchison (district 07A)
Meekatharra Airport	32.9	+3.5	37.1	2nd	20.1	+3.0	17.0	21st	3.8	18.7	average	20%
Mount Magnet Aero	30.4	+1.5	35.6	3rd	17.6	+1.3	12.1	22nd	11.0	17.2	average	64%
Paynes Find	29.2	+0.7	33.2	15th	14.6	+0.4	8.0	22nd	22.8	24.2	average	94%
North Coast (district 08)
Carnamah	26.8	-1.1	30.0	28th	10.4	-3.7	9.0	29th	11.8	22.4	average	53%
Dalwallinu	27.0	-0.1	33.6	14th	12.7	-0.4	6.8	22nd	19.6	13.9	average	141%
Geraldton Airport	28.1	-0.9	36.9	14th	14.7	-0.9	9.2	22nd	22.0	23.6	average	93%
Kalbarri	28.9	-0.7	36.2	14th	16.7	+0.3	12.5	22nd	1.9	18.7	low	10%
Morawa Airport	29.1	+0.1	34.7	3rd	14.5	0.0	9.6	9th	15.0	17.4	average	86%
Mullewa	29.2	+0.3	34.3	3rd	15.6	+0.4	10.2	22nd	9.6	21.2	average	45%
North Island	26.1	-0.4	29.2	11th	20.3	-0.2	16.8	12th	12.6	13.8	high	91%
Wongan Hills	26.5	0.0	33.0	12th	12.4	-0.9	6.3	22nd	22.8	22.0	average	104%
Central Coast (district 09)
Badgingarra Research Stn	26.1	-1.1	33.7	14th	13.5	-0.1	8.8	25th	33.4	25.7	average	130%
Bickley	21.8	-1.8	30.0	12th	12.3	-0.4	7.2	22nd	57.2	53.8	average	106%
Garden Island HSF	22.1	-1.9	28.7	3rd	15.1	-0.9	11.7	22nd	26.0	36.2	average	72%
Gingin Aero	25.2	-1.6	33.2	12th	11.1	-1.0	3.7	25th	20.2	26.9	average	75%
Jandakot Aero	24.0	-1.9	31.0	12th	12.0	-0.6	6.1	22nd	45.2	40.5	average	112%
Jurien Bay	25.2	-1.3	33.1	14th	14.0	-0.1	8.2	22nd	31.0	29.1	average	106%
Karnet	22.1	-1.3	30.0	12th	11.6	-0.3	6.5	22nd	46.7	63.0	average	74%
Lancelin (Defence)	24.2		31.2	15th	14.3		7.9	22nd	20.2
Millendon (Swan Valley)	25.2		33.3	12th	12.3		5.4	25th	24.6
Pearce RAAF	25.6	-0.9	33.7	12th	12.7	-0.7	5.3	25th	20.8	33.4	average	62%
Perth Airport	25.5	-0.2	33.1	12th	12.5	-0.5	6.4	26th	23.2	39.0	average	60%
Perth Airport Comparison	24.7		32.3	12th	13.1		6.4	25th	23.2
Perth Metro	24.2	-1.8	31.3	12th	13.1	-0.7	7.2	22nd	37.8	35.1	average	108%
Rottnest Island	21.8	-2.0	25.9	3rd	16.5	-0.8	13.2	21st	37.4	32.1	average	116%
Swanbourne	23.2	-2.2	29.1	3rd	14.3	-1.0	9.2	22nd	30.4	38.0	average	80%
South Coast (district 09A)
Albany	20.2	-0.7	26.5	17th	12.7	-0.2	7.4	22nd	38.7	69.4	low	56%
Albany Airport	21.2	-1.0	27.3	17th	10.2	-1.7	4.9	22nd	34.2	61.9	average	55%
Bridgetown	21.8	-1.6	29.2	12th	7.8	-1.5	2.0	22nd	47.8	50.7	average	94%
Bunbury	22.6	-1.7	28.4	3rd	11.3	-0.5	5.5	22nd	31.6	39.7	average	80%
Busselton Aero	22.6	-1.4	27.6	4th	10.2	-1.0	6.1	26th	41.8	37.2	average	112%
Cape Leeuwin	20.9	-0.4	23.5	3rd	15.7	+0.2	11.0	21st	50.4	59.1	average	85%
Cape Naturaliste	22.2	+0.2	26.8	3rd	13.7	-0.2	10.4	21st	45.2	43.8	average	103%
Collie East	22.7	-1.2	30.2	12th	8.3	-0.7	2.1	22nd	27.8	40.8	average	68%
Donnybrook	23.3	-0.8	30.0	12th	10.8	+0.3	5.5	22nd	54.7	49.4	average	111%
Dwellingup	22.1	-0.5	29.7	12th	10.3	-0.1	3.8	22nd	62.4	64.9	average	96%
Esperance	23.4	+0.1	35.4	20th	14.1	+0.8	7.6	22nd	65.6	44.4	high	148%
Esperance Aero	22.8	-0.7	34.0	20th	13.4	+0.7	7.0	22nd	72.8	39.9	high	182%
Hopetoun North	22.5	-0.6	32.1	17th	13.4	+0.7	7.2	19th	59.6	39.4	high	151%
Jarrahwood	22.7	-1.2	29.8	12th	7.7	-1.1	3.5	26th	46.2	49.3	average	94%
Mandurah	23.0	-1.2	29.0	3rd	14.9	-0.9	10.9	22nd	17.8	36.9	low	48%
Manjimup	20.8	-0.4	28.5	12th	10.2	-0.6	6.4	22nd	54.6	59.5	average	92%
Mount Barker	20.6	-0.7	28.1	12th	10.4	-0.3	5.7	21st	23.2	54.1	low	43%
North Walpole	20.6	-0.9	25.4	3rd	11.8	-1.0	8.8	11th	69.8	84.9	average	82%
Rocky Gully	20.4	-1.5	28.3	12th	9.1	-1.8	4.5	22nd	56.2	54.0	average	104%
Shannon	20.1	-1.3	27.9	12th	10.1	-0.8	6.3	22nd	69.6	70.2	average	99%
Windy Harbour	20.9	-1.1	26.2	3rd	11.8	-0.4	6.0	11th	66.6	70.3	average	95%
Witchcliffe West	21.4		26.5	4th	11.3		8.4	16th	46.0
North Central (district 10)
Bencubbin	27.6	+1.8	32.0	14th	13.1	+0.2	6.9	22nd	0.2	22.1	v low	1%
Cunderdin Airfield	26.1	-0.4	33.1	12th	11.8	-0.2	3.2	22nd	26.0	23.7	average	110%
Goomalling	26.6	-0.1	33.5	12th	11.9	-0.6	6.1	28th	20.3	22.3	average	91%
Kellerberrin	26.7	+1.0	33.0	13th	11.7	0.0	8.0	8th	20.7	21.4	average	97%
Northam	25.6	-0.5	33.0	12th	12.0	0.0	3.8	22nd	24.2	23.2	average	104%
York	25.3	-1.0	33.0	12th	11.9	+1.1	4.1	22nd	28.2	21.0	average	134%
South Central (district 10A)
Beverley	25.4	-0.8	32.6	12th	11.1	-0.2	2.6	22nd	23.6	22.9	average	103%
Brookton	24.3	-0.7	31.6	13th	10.6	-0.6	3.0	25th	11.8	25.6	average	46%
Corrigin	24.7	+0.4	31.5	13th	10.4	-0.8	3.0	22nd	33.7	23.6	high	143%
Hyden	25.7	+0.1	33.3	13th	11.1	-0.1	4.0	24th	16.6	24.5	average	68%
Jacup	22.5	-0.4	30.3	17th	10.5	-0.3	4.4	22nd	25.6	40.0	average	64%
Katanning	22.3	-0.9	30.3	12th	10.3	-0.7	5.6	22nd	11.8	28.9	low	41%
Lake Grace	23.4	-0.7	30.0	13th	11.6	-0.3	5.6	25th	48.4	24.2	high	200%
Narrogin	23.0	-0.1	30.6	12th	10.1	-0.4	3.8	22nd	23.4	28.9	average	81%
Newdegate Research Station	23.7	-0.4	31.1	13th	9.6	-0.6	0.8	22nd	34.6	26.3	high	132%
Ongerup	23.3	+0.4	30.5	13th	8.8	-2.2	4.5	22nd	12.8	26.2	average	49%
Pingelly	23.6	-0.5	30.8	13th	11.3	-0.3	4.5	22nd	18.8	26.8	average	70%
Ravensthorpe	23.5	-0.2	32.0	20th	12.1	+0.2	5.3	22nd	44.4	32.8	high	135%
Wagin	22.5	-1.1	30.5	12th	10.3	-0.5	3.0	22nd	15.2	28.2	average	54%
Wandering	22.9	-1.6	31.2	12th	8.8	-0.7	0.9	22nd	20.4	30.5	average	67%
Eucla (district 11)
Eucla	26.0	+2.3	36.3	24th	15.1	+1.7	9.7	27th	26.8	26.2	average	102%
Eyre	25.2	+0.9	33.2	20th	11.8	+0.1	1.0	12th	22.2	24.6	average	90%
Forrest	28.1	+1.7	36.2	21st	14.1	+2.1	8.1	12th	19.2	15.5	average	124%
Red Rocks Point	24.6	+0.9	34.9	23rd	14.7	+0.3	8.2	14th	21.0	22.0	average	96%
South East (district 12)
Bulga Downs	31.0	+2.3	36.6	2nd	16.7	+2.5	12.1	22nd	19.4	20.1	average	96%
Kalgoorlie-Boulder Airport	26.7	+1.4	35.7	20th	13.9	+1.1	9.1	22nd	43.4	20.4	high	213%
Laverton Aero	29.5	+2.5	34.9	20th	17.6	+2.6	12.8	12th	62.8	18.7	highest	336%
Leinster Aero	30.6	+2.7	35.5	20th	17.9	+2.6	14.7	1st	19.0	23.5	average	81%
Leonora Aero	30.1	+2.1	36.1	20th	17.5	+2.3	12.4	22nd	33.4	16.3	high	205%
Munglinup West	22.9	-1.2	32.2	20th	12.3	+0.2	6.2	22nd	65.2	39.9	high	163%
Norseman Aero	25.7	+0.5	34.7	20th	11.9	+0.9	4.7	10th	28.0	25.7	average	109%
Salmon Gums Res.Stn.	24.0	+0.2	34.2	20th	10.5	+0.5	0.9	22nd	42.0	27.2	high	154%
Southern Cross Airfield	26.9	+0.8	34.2	20th	12.4	+0.6	4.9	26th	4.8	24.6	low	20%
North East (district 13)
Carnegie	33.2	+2.9	37.0	7th	19.2	+3.0	15.0	28th	8.0	23.1	average	35%
Giles Meteorological Office	32.6	+3.1	35.8	8th	20.5	+4.1	15.4	14th	0.0	17.3	lowest	0%
Telfer Aero	36.3	+1.7	39.0	7th	21.9	+1.1	17.3	23rd	14.0	18.8	average	74%
Warburton Airfield	33.4	+3.8	37.9	8th	19.7	+4.2	14.4	28th	0.4	17.4	average	2%
Wiluna Aero	32.0		35.5	2nd	19.0		14.6	13th	49.4
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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