Thursday, 1 June 2023 - Monthly Climate Summary for Western Australia - Product code IDCKGC11R0
Western Australia in May 2023
Rainfall
- May rainfall was below average across Western Australia, and very much below average rainfall (lowest 20 percents of all years) was observed for most of the southern two-thirds of the state, however May is typically dry in the northern WA.
- For Western Australia as a whole, May rainfall was 3.2 mm, which was 88% below the 1961–1990 average, and the lowest on record. Previous lowest May rainfall record was 4 mm in 1948.
- For the South West Land Division (SWLD) as a whole, May rainfall was 14.1 mm, which was 76% below the 1961-1990 average, and the third-lowest on record, lowest for 59 years since 1964 (13.9 mm).
Temperature
- Mean maximum temperatures were above average for the western parts of the state, whilst most of the Kimberley observed below average mean maxima.
- For Western Australia as a whole, the mean maximum temperature was 0.57 °C above the 1961–1990 average.
- Mean minimum temperatures were very much below average (lowest 20 percents of all years) in the Kimberley and Northern Interior. The eastern SWLD, and along the Eucla coast also observed cooler than normal mean minima.
- For Western Australia as a whole, the mean maximum temperature was 1.37 °C below the 1961–1990 average, and the lowest since 2000.
- The inland southwest of the state experienced a freezing cold morning, with temperatures dipping to minus 3 °C on the 27th, resulting in a number of lowest May temperature records.
- Several sites along the Kimberley and Pilbara coast had their lowest May temperature on record on the 30th and 31st.
- Mean minimum temperatures at Broome Airport and Derby Aero in the west Kimberley coast were more than 3 °C below average, the lowest May mean minimum temperature for 47 years since 1976.
- Mean minimum temperatures were 2–3 °C below average at Telfer and Newman in the south Pilbara, and Giles Meteorology Office in the Southern Interior, their lowest May mean minimum temperature since 2000.
Extremes Maps Records Summaries Important notes the top
Extremes in May 2023 | |
---|---|
Hottest day |
36.1 °C at Wyndham Aero on the 6th 36.1 °C at Yampi Sound (Defence) on the 7th |
Warmest days on average | 32.9 °C at Yampi Sound (Defence) |
Coolest days on average | 18.2 °C at Shannon |
Coldest day | 12.9 °C at Bickley on the 6th |
Coldest night |
-2.6 °C at Newdegate Research Station on the 27th -2.6 °C at Wandering on the 27th |
Coolest nights on average | 4.8 °C at Wandering |
Warmest nights on average | 24.6 °C at Troughton Island |
Warmest night | 27.4 °C at Troughton Island on the 7th |
Warmest on average overall | 27.5 °C at Troughton Island |
Coolest on average overall | 12.2 °C at Wandering |
Wettest overall | 72.8 mm at Mount William |
Wettest day | 35.0 mm at Carnarvon Airport on the 10th |
Strongest wind gust | 107 km/h at Cape Leeuwin on the 10th |
Extremes Maps Records Summaries Important notes the top
Maps | |||
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Observed | Anomaly | Decile rank | |
Total rainfall |
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Mean daily maximum temperatures |
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Mean daily minimum temperatures |
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Record lowest May temperature | ||||||
---|---|---|---|---|---|---|
New record (°C) |
Old record |
Years of record |
Average for May |
|||
Pingelly | 0.4 | on the 27th | = 0.4 | on the 25th in 2012 | 52 | 8.7 |
Derby Aero | 8.2 | on the 30th | 9.1 | on the 30th in 2011 | 39 | 18.8 |
Karratha Aero | 10.5 | on the 30th | 10.8 | on the 31st in 2012 | 30 | 18.4 |
Cunderdin Airfield | -2.2 | on the 27th | -1.2 | on the 25th in 2012 | 27 | 8.2 |
Lake Grace | -0.7 | on the 27th | 0.2 | on the 25th in 2012 | 26 | 8.6 |
Newdegate Research Station | -2.6 | on the 27th | -2.3 | on the 25th in 2012 | 26 | 7.0 |
Norseman Aero | -2.3 | on the 27th | -2.1 | on the 31st in 2016 | 24 | 7.0 |
Wyndham Aero | 8.9 | on the 31st | 9.6 | on the 27th in 2012 | 23 | 19.2 |
Munglinup West | 3.0 | on the 27th | 3.1 | on the 22nd in 2017 | 22 | 9.6 |
Roebourne Aero | 7.6 | on the 31st | 7.9 | on the 31st in 2012 | 21 | 16.9 |
Record lowest May mean daily minimum temperature | |||||
---|---|---|---|---|---|
New record (°C) |
Old record |
Years of record |
Average for May |
||
Argyle Aerodrome | 15.3 | 16.0 | in 2011 | 28 | 19.2 |
Lowest May mean daily minimum temperature for at least 20 years | |||||
---|---|---|---|---|---|
Observed (°C) |
Most recent lower |
Average for May |
|||
Broome Airport | 14.5 | 13.4 | in 1976 | 18.3 | |
Derby Aero | 15.2 | 15.0 | in 1976* | 18.8 | |
Warmun | 13.4 | 11.5 | in 1994 | 17.2 | |
Giles Meteorological Office | 8.6 | 7.1 | in 2000 | 11.3 | |
Newman Aero | 9.1 | 6.2 | in 2000 | 12.0 | |
Paynes Find | 7.6 | 5.3 | in 2000 | 9.4 | |
Telfer Aero | 13.1 | 12.3 | in 2000 | 15.5 |
* note: there are gaps in the historical record at this site, so it is possible a lower value has gone unreported
Record lowest May mean temperature | |||||
---|---|---|---|---|---|
New record (°C) |
Old record |
Years of record |
Average for May |
||
Derby Aero | 23.5 | = 23.5 | in 1976 | 38 | 25.9 |
Argyle Aerodrome | 22.5 | 22.6 | in 2011 | 28 | 25.7 |
Wyndham Aero | 23.7 | 24.0 | in 2011 | 22 | 26.7 |
Lowest May mean temperature for at least 20 years | |||||
---|---|---|---|---|---|
Observed (°C) |
Most recent lower |
Average for May |
|||
Broome Airport | 22.6 | 22.5 | in 1976 | 25.0 |
Extremes Maps Records Summaries Important notes the top
Summary statistics for May 2023 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum temperatures (°C) |
Minimum temperatures (°C) |
Rainfall (millimetres) |
||||||||||
Mean for May 2023 |
Diff from average |
Highest for May 2023 |
Mean for May 2023 |
Diff from average |
Lowest for May 2023 |
Total for May 2023 |
Average for May |
Rank of May 2023 |
Fraction of May average |
|||
North Kimberley (district 01) | ||||||||||||
Kalumburu | 31.9 | -1.7 | 35.0 | 6th | 15.0 | -2.0 | 9.3 | 22nd | 0 | 15.2 | lowest | 0% |
Troughton Island | 30.5 | -0.7 | 33.3 | 6th | 24.6 | -0.9 | 22.0 | 29th | 0 | 35.3 | lowest | 0% |
Truscott | 30.3 | -1.9 | 33.4 | 6th | 19.1 | -2.4 | 14.5 | 30th | 0 | 18.9 | lowest | 0% |
Wyndham Aero | 31.8 | -2.4 | 36.1 | 6th | 15.6 | -3.6 | 8.9 | 31st | 0 | 11.5 | lowest | 0% |
East Kimberley (district 02) | ||||||||||||
Argyle Aerodrome | 29.6 | -2.6 | 34.5 | 6th | 15.3 | -3.9 | 10.5 | 22nd | 0 | 7.4 | lowest | 0% |
Halls Creek Airport | 28.3 | 32.3 | 6th | 11.8 | 6.4 | 31st | 0 | |||||
Kununurra Aero | 30.6 | -2.4 | 34.9 | 6th | 14.8 | -3.8 | 9.8 | 28th | 0 | 6.6 | lowest | 0% |
Warmun | 34.2 | 6th | 13.4 | -3.8 | 7.0 | 31st | 0 | 9.9 | lowest | 0% | ||
West Kimberley (district 03) | ||||||||||||
Bidyadanga | 31.3 | -1.2 | 34.6 | 8th | 17.0 | -1.5 | 10.3 | 20th | 0 | 24.7 | lowest | 0% |
Broome Airport | 30.7 | -1.0 | 33.9 | 7th | 14.5 | -3.8 | 8.5 | 29th | 0 | 26.6 | lowest | 0% |
Curtin Aero | 31.7 | -1.6 | 34.9 | 7th | 17.2 | -1.9 | 12.9 | 21st | 0 | 14.5 | lowest | 0% |
Derby Aero | 31.8 | -1.2 | 34.7 | 7th | 15.2 | -3.6 | 8.2 | 30th | 0 | 19.1 | lowest | 0% |
Fitzroy Crossing Aero | 31.7 | -1.7 | 35.1 | 6th | 12.4 | -3.7 | 6.6 | 30th | 0 | 14.6 | lowest | 0% |
Yampi Sound (Defence) | 32.9 | 36.1 | 7th | 11.6 | 5.7 | 22nd | 0 | |||||
De Grey (district 04) | ||||||||||||
Karratha Aero | 29.1 | -0.9 | 33.1 | 4th | 16.7 | -1.7 | 10.5 | 30th | 0 | 31.6 | lowest | 0% |
Legendre Island | 27.4 | -1.0 | 30.9 | 4th | 21.1 | -1.1 | 16.7 | 31st | ||||
Mandora | 31.9 | -0.3 | 35.6 | 3rd | 15.8 | -1.2 | 7.6 | 24th | 0.6 | 25.2 | average | 2% |
Marble Bar | 29.5 | -1.6 | 33.2 | 4th | 15.0 | -2.2 | 9.1 | 30th | 0 | 13.7 | lowest | 0% |
Port Hedland Airport | 31.0 | +0.3 | 34.7 | 4th | 17.1 | -0.3 | 11.0 | 30th | 0 | 27.3 | lowest | 0% |
Roebourne Aero | 30.9 | -0.7 | 34.8 | 4th | 14.8 | -2.1 | 7.6 | 31st | 0 | 40.9 | lowest | 0% |
Fortescue (district 05) | ||||||||||||
Barrow Island Airport | 26.8 | -0.7 | 30.7 | 4th | 20.5 | -0.9 | 15.8 | 23rd | 0 | 60.1 | lowest | 0% |
Karijini North | 28.5 | 32.4 | 4th | 15.3 | 8.8 | 24th | 0 | |||||
Learmonth Airport | 29.1 | +0.5 | 34.0 | 4th | 14.5 | -1.6 | 9.3 | 23rd | 0.2 | 41.6 | low | 0% |
Mardie | 32.1 | +0.6 | 35.3 | 3rd | 15.9 | -1.1 | 10.4 | 23rd | 0 | 38.5 | lowest | 0% |
Onslow Airport | 30.4 | +1.0 | 33.5 | 4th | 17.1 | -0.4 | 11.5 | 30th | 0 | 51.3 | lowest | 0% |
Thevenard Island | 29.2 | +0.5 | 32.1 | 4th | 21.2 | 0.0 | 15.8 | 26th | 0 | 47.4 | lowest | 0% |
West Gascoyne (district 06) | ||||||||||||
Carnarvon Airport | 28.4 | +2.0 | 34.8 | 8th | 14.4 | -0.4 | 9.8 | 22nd | 35.0 | 33.1 | average | 106% |
Denham | 27.0 | +1.2 | 32.5 | 3rd | 17.2 | +0.7 | 14.2 | 15th | 1.0 | 36.1 | v low | 3% |
Murchison | 27.4 | +1.3 | 33.0 | 5th | 10.8 | -0.3 | 5.1 | 22nd | 2.4 | 16.5 | low | 15% |
Shark Bay Airport | 28.7 | +1.3 | 34.7 | 3rd | 14.7 | +0.2 | 9.7 | 22nd | 0.4 | 23.1 | v low | 2% |
East Gascoyne (district 07) | ||||||||||||
Newman Aero | 26.1 | -1.0 | 29.7 | 3rd | 9.1 | -2.9 | 3.9 | 23rd | 0 | 18.6 | lowest | 0% |
Paraburdoo Aero | 29.1 | +0.1 | 32.5 | 3rd | 14.7 | -0.1 | 7.8 | 22nd | 0 | 19.2 | lowest | 0% |
Murchison (district 07A) | ||||||||||||
Meekatharra Airport | 25.0 | +1.1 | 30.0 | 5th | 12.2 | +0.1 | 6.5 | 27th | 0 | 21.6 | lowest | 0% |
Mount Magnet Aero | 25.0 | +1.1 | 30.4 | 5th | 11.0 | -0.6 | 4.0 | 28th | 5.6 | 16.9 | average | 33% |
Paynes Find | 25.1 | +1.9 | 30.0 | 5th | 7.6 | -1.8 | 1.5 | 28th | 3.2 | 34.9 | low | 9% |
North Coast (district 08) | ||||||||||||
Dalwallinu | 23.5 | +1.4 | 28.9 | 4th | 8.7 | -1.0 | 3.1 | 27th | 13.0 | 34.1 | low | 38% |
Geraldton Airport | 26.5 | +1.4 | 31.8 | 18th | 12.3 | 0.0 | 5.8 | 28th | 30.6 | 38.2 | average | 80% |
Kalbarri | 27.5 | +1.4 | 33.8 | 3rd | 14.0 | +0.7 | 6.2 | 28th | 9.9 | 52.9 | v low | 19% |
Morawa Airport | 25.1 | +1.1 | 30.4 | 4th | 9.5 | -0.9 | 1.8 | 28th | 12.8 | 34.8 | average | 37% |
Mullewa | 25.5 | +1.7 | 31.6 | 4th | 11.6 | +0.4 | 5.4 | 25th | 13.0 | 45.3 | low | 29% |
North Island | 24.9 | +0.5 | 28.8 | 18th | 19.2 | +0.8 | 16.9 | 25th | 24.4 | 40.3 | average | 61% |
Wongan Hills | 23.2 | +1.6 | 28.5 | 9th | 9.2 | -0.6 | 1.5 | 27th | 14.0 | 50.8 | low | 28% |
Central Coast (district 09) | ||||||||||||
Badgingarra Research Stn | 23.5 | +1.0 | 29.1 | 4th | 11.5 | +0.9 | 6.9 | 27th | 35.8 | 66.6 | low | 54% |
Bickley | 19.0 | -0.3 | 24.8 | 3rd | 9.7 | -0.4 | 5.0 | 26th | 42.0 | 129.7 | v low | 32% |
Garden Island HSF | 21.3 | -0.1 | 26.6 | 18th | 13.2 | -0.6 | 7.7 | 27th | 21.2 | 73.8 | lowest | 29% |
Gingin Aero | 22.9 | +0.2 | 29.8 | 3rd | 8.0 | -0.9 | -0.8 | 27th | 40.0 | 72.5 | low | 55% |
Jandakot Aero | 22.2 | +0.2 | 27.2 | 3rd | 10.0 | +0.7 | 3.2 | 27th | 56.0 | 104.2 | low | 54% |
Jurien Bay | 24.3 | +1.0 | 31.3 | 18th | 12.3 | +0.6 | 5.4 | 26th | 29.0 | 74.8 | low | 39% |
Millendon (Swan Valley) | 22.8 | 29.0 | 3rd | 9.4 | 1.3 | 27th | 19.4 | |||||
Pearce RAAF | 23.1 | +1.0 | 29.6 | 3rd | 10.5 | -0.2 | 2.8 | 28th | 21.6 | 82.3 | v low | 26% |
Perth Airport | 22.4 | +0.6 | 28.5 | 3rd | 10.1 | -0.3 | 1.1 | 27th | 28.2 | 96.7 | v low | 29% |
Perth Metro | 22.4 | +0.1 | 28.8 | 3rd | 10.2 | -0.3 | 2.7 | 27th | 26.4 | 86.5 | v low | 31% |
Rottnest Island | 21.0 | -0.1 | 26.7 | 18th | 15.0 | -0.2 | 11.2 | 26th | 14.8 | 71.3 | v low | 21% |
Swanbourne | 21.9 | -0.2 | 27.7 | 18th | 12.3 | -0.2 | 6.9 | 27th | 24.4 | 88.0 | v low | 28% |
South Coast (district 09A) | ||||||||||||
Albany | 25.1 | 9th | 11.6 | +0.8 | 7.8 | 21st | 49.7 | 114.5 | v low | 43% | ||
Albany Airport | 19.6 | +0.1 | 24.9 | 23rd | 9.2 | -0.1 | 3.7 | 21st | 23.2 | 77.7 | v low | 30% |
Bridgetown | 19.8 | +0.3 | 24.4 | 18th | 6.0 | -0.7 | -1.3 | 27th | 28.4 | 95.3 | v low | 30% |
Bunbury | 20.7 | -0.3 | 24.9 | 18th | 9.9 | +0.7 | 2.1 | 27th | 37.0 | 97.2 | v low | 38% |
Busselton Aero | 20.4 | 0.0 | 25.0 | 18th | 8.3 | -0.7 | 0.2 | 27th | 28.2 | 98.2 | v low | 29% |
Cape Leeuwin | 19.9 | +0.7 | 24.7 | 9th | 14.0 | +0.3 | 10.6 | 26th | 31.6 | 135.4 | lowest | 23% |
Cape Naturaliste | 20.3 | +1.0 | 24.1 | 22nd | 12.2 | -0.4 | 7.4 | 26th | 31.8 | 113.6 | v low | 28% |
Collie East | 20.4 | +0.4 | 24.8 | 9th | 5.7 | -0.3 | -2.2 | 27th | 42.0 | 92.2 | low | 46% |
Dwellingup | 19.4 | +0.8 | 24.7 | 3rd | 7.5 | -0.2 | 0.4 | 27th | 48.4 | 154.8 | v low | 31% |
Esperance | 20.6 | +0.1 | 28.0 | 10th | 10.6 | -0.5 | 7.3 | 7th | 17.0 | 70.1 | lowest | 24% |
Esperance Aero | 20.3 | +0.1 | 26.2 | 10th | 9.6 | -0.9 | 5.7 | 27th | 30.2 | 64.0 | low | 47% |
Hopetoun North | 20.5 | -0.5 | 26.4 | 23rd | 10.1 | -0.3 | 6.3 | 17th | 5.6 | 44.8 | lowest | 13% |
Jarrahwood | 20.6 | +0.6 | 25.2 | 18th | 6.3 | -0.4 | -1.8 | 26th | 28.0 | 122.1 | lowest | 23% |
Mandurah | 21.0 | 0.0 | 26.4 | 18th | 13.1 | -0.3 | 7.2 | 27th | 21.8 | 83.2 | lowest | 26% |
Manjimup | 18.7 | +1.0 | 23.8 | 18th | 8.7 | -0.2 | 4.9 | 27th | 42.6 | 127.1 | v low | 34% |
North Walpole | 19.0 | -0.1 | 24.1 | 9th | 11.1 | -0.1 | 7.2 | 12th | 55.0 | 116.9 | v low | 47% |
Rocky Gully | 18.4 | -0.1 | 23.1 | 9th | 8.6 | -0.5 | 3.8 | 27th | 34.8 | 76.1 | v low | 46% |
Shannon | 18.2 | +0.2 | 23.1 | 9th | 8.9 | +0.1 | 4.9 | 2nd | 39.8 | 116.5 | lowest | 34% |
Windy Harbour | 19.8 | -0.1 | 24.2 | 9th | 10.9 | +0.2 | 5.0 | 21st | 67.4 | 144.1 | lowest | 47% |
Witchcliffe West | 19.4 | 24.3 | 18th | 9.7 | 2.9 | 27th | 55.0 | |||||
North Central (district 10) | ||||||||||||
Bencubbin | 22.6 | +1.7 | 27.5 | 4th | 8.5 | -0.6 | 2.5 | 27th | 6.3 | 36.1 | low | 17% |
Cunderdin Airfield | 22.2 | +0.3 | 28.0 | 3rd | 6.1 | -2.1 | -2.2 | 27th | 18.0 | 30.2 | average | 60% |
Merredin | 21.9 | +1.1 | 28.0 | 9th | 8.4 | -0.5 | 0.0 | 27th | 11.5 | 40.2 | low | 29% |
Northam | 21.8 | +0.5 | 28.1 | 3rd | 6.9 | -1.5 | 0.5 | 27th | 21.8 | 54.5 | low | 40% |
York | 21.7 | -0.2 | 28.0 | 3rd | 5.4 | -1.5 | -1.0 | 27th | 20.4 | 46.3 | low | 44% |
South Central (district 10A) | ||||||||||||
Beverley | 22.0 | +0.5 | 27.4 | 3rd | 6.5 | -1.3 | -0.6 | 27th | 15.2 | 53.0 | low | 29% |
Brookton | 20.8 | +0.3 | 26.4 | 9th | 6.7 | -1.0 | -0.1 | 27th | 11.3 | 56.0 | v low | 20% |
Hyden | 22.0 | +1.2 | 27.0 | 9th | 5.8 | -1.7 | -1.5 | 26th | 5.2 | 38.6 | v low | 13% |
Jacup | 19.8 | +0.1 | 25.8 | 9th | 7.6 | -0.8 | 1.8 | 27th | 6.2 | 34.6 | v low | 18% |
Katanning | 19.6 | +0.5 | 24.9 | 9th | 8.0 | -0.6 | 3.4 | 27th | 17.0 | 47.2 | v low | 36% |
Lake Grace | 20.3 | +0.3 | 25.8 | 9th | 7.1 | -1.5 | -0.7 | 27th | 5.6 | 31.1 | low | 18% |
Narrogin | 19.7 | +1.1 | 25.0 | 3rd | 6.6 | -1.2 | -1.0 | 27th | 14.4 | 61.7 | v low | 23% |
Newdegate Research Station | 20.5 | +0.6 | 26.0 | 9th | 5.0 | -2.0 | -2.6 | 27th | 8.8 | 41.5 | v low | 21% |
Pingelly | 20.1 | +0.4 | 24.9 | 3rd | 7.8 | -0.9 | 0.4 | 27th | 10.5 | 57.1 | v low | 18% |
Ravensthorpe | 20.6 | +0.5 | 26.0 | 3rd | 8.8 | -0.9 | 4.0 | 27th | 3.3 | 43.4 | lowest | 8% |
Wagin | 19.8 | +0.3 | 24.5 | 9th | 6.8 | -1.2 | 0.8 | 27th | 12.2 | 53.4 | v low | 23% |
Wandering | 19.4 | -0.6 | 25.0 | 3rd | 4.8 | -1.4 | -2.6 | 27th | 14.4 | 56.3 | v low | 26% |
Eucla (district 11) | ||||||||||||
Eucla | 21.3 | +0.2 | 28.3 | 31st | 9.6 | -1.0 | 5.0 | 10th | 11.2 | 30.6 | low | 37% |
Eyre | 22.0 | +0.5 | 28.5 | 13th | 6.8 | -2.1 | -0.8 | 28th | 16.4 | 37.9 | low | 43% |
Forrest | 21.8 | -0.5 | 27.3 | 31st | 7.7 | -0.9 | 2.2 | 10th | 0.6 | 15.3 | v low | 4% |
South East (district 12) | ||||||||||||
Bulga Downs | 24.7 | +0.9 | 30.0 | 4th | 8.5 | -0.5 | 2.2 | 28th | 1.2 | 24.3 | low | 5% |
Kalgoorlie-Boulder Airport | 21.4 | +0.7 | 27.4 | 4th | 8.6 | -0.1 | 1.2 | 27th | 2.8 | 24.3 | low | 12% |
Laverton Aero | 23.1 | +0.8 | 27.8 | 31st | 10.5 | +0.1 | 4.3 | 28th | 0.2 | 13.4 | low | 1% |
Leinster Aero | 23.7 | +0.5 | 28.6 | 5th | 9.8 | -0.6 | 3.3 | 28th | 0.2 | 14.1 | low | 1% |
Leonora Aero | 23.4 | +0.3 | 29.0 | 4th | 9.5 | -0.3 | 3.0 | 28th | 1.0 | 9.6 | average | 10% |
Munglinup West | 20.5 | 0.0 | 25.8 | 3rd | 8.5 | -1.1 | 3.0 | 27th | 9.6 | 37.8 | v low | 25% |
Norseman Aero | 21.1 | +0.1 | 27.5 | 10th | 6.2 | -0.8 | -2.3 | 27th | 1.4 | 17.8 | v low | 8% |
Salmon Gums Res.Stn. | 21.0 | +1.1 | 26.9 | 10th | 5.5 | -1.6 | -2.1 | 27th | 6.6 | 33.4 | low | 20% |
Southern Cross Airfield | 21.9 | +0.5 | 27.5 | 4th | 6.5 | -0.9 | -1.7 | 27th | 4.8 | 27.1 | v low | 18% |
North East (district 13) | ||||||||||||
Carnegie | 24.7 | -0.6 | 28.4 | 3rd | 8.5 | -2.3 | 4.0 | 24th | 0 | 16.5 | lowest | 0% |
Giles Meteorological Office | 23.4 | -0.4 | 26.1 | 15th | 8.6 | -2.7 | 2.8 | 28th | 0 | 20.1 | lowest | 0% |
Telfer Aero | 27.9 | -1.2 | 31.3 | 3rd | 13.1 | -2.4 | 8.0 | 31st | 0 | 19.1 | lowest | 0% |
Warburton Airfield | 24.4 | 0.0 | 27.6 | 5th | 9.7 | -0.8 | 3.6 | 29th | 0 | 14.9 | lowest | 0% |
Wiluna Aero | 24.3 | 29.3 | 5th | 9.8 | 4.3 | 27th | 0 | |||||
Offshore Islands | ||||||||||||
Adele Island | 28.8 | 31.3 | 7th | 24.9 | 21.9 | 22nd | ||||||
Varanus Island | 27.3 | -0.7 | 31.2 | 4th | 23.2 | -0.4 | 20.6 | 31st | 0 | 44.8 | lowest | 0% |
Extremes Maps Records Summaries Important notes the top
Notes
The Monthly climate summary, usually published in the first week of the following month, lists the main features of the weather in Western Australia using the most timely and accurate information available on the date of publication; it will generally not be updated.
This statement has been prepared based on information available at 1 pm on Thursday 1 June 2023. Some checks have been made on the data, but it is possible that results will change as new information becomes available.
In some situations, some or all of the rainfall is in the form of hail or snow. In these cases the totals given are for the water equivalent: the depth of liquid water that results from melting any frozen precipitation. There can be significant 'undercatch' of snow in strong winds, meaning the true precipitation can be higher than that reported.
Averages for individual sites are long-term means based on observations from
all available years of record, which vary widely from site to site.
They are not shown for sites with less than 10 years of record, as they cannot then be calculated reliably.
The median
is sometimes more representative than the
mean
of long-term average rain.
The Rank indicates how rainfall this time compares with the climate record for the site,
based on the
decile ranking
(very low rainfall is in decile 1, low in decile 2 or 3,
average in decile 4 to 7, high in decile 8 or 9
and very high is in decile 10).
The Fraction of average shows how much rain has fallen this time as a
percentage of the long-term mean.
Where temperature area averages are mentioned, they are derived from the ACORN-SAT dataset.
Information about Australian Indigenous seasonal calendars is available at the Indigenous Weather Knowledge website.
Unless otherwise noted, all maps, graphs and diagrams in this page are licensed under the Creative Commons Attribution 4.0 International Licence