Thursday, 1 September 2022 - Seasonal Climate Summary for Western Australia - Product code IDCKGC21R0

Western Australia in winter 2022: Relatively wet in the Kimberley, dry in the South West

Winter rainfall was near average or slightly below average across Western Australia. The Kimberley region of Western Australia as well as the Great Southern and Southern Wheatbelt regions, recorded above average winter rainfall, while much of the Southern Interior, Goldfields and Pilbara recorded below average rainfall. Mean maximum temperatures for winter were above average for most of the state, apart from the southern coast and Pilbara coast, where they were around average. Mean minimum temperatures were above average around the Goldfields, below average around the Northern Interior, and overall slightly above average for the state.

Relatively wet in the Kimberley

• Winter rainfall for Western Australia was 13% below the 1961–1990 average, but it was the wettest winter since 2016.
• Winter rainfall was very much above average in the northern Kimberley and above average across the wider Kimberley, Great Southern and Central Wheat Belt districts.
• Winter rainfall was very much below average for parts of the South West and South Coastal Districts and below average for much of the Southern Interior and Goldfields districts.
• Up to 100 mm of rain fell in the first week of June in the northern Kimberley, where the long-term average for June is between 1 and 10 mm.
• On 16th August, widespread daily rainfall of 20-70 mm was recorded in western parts of Western Australia, with multiple sites setting new winter daily rainfall records.
• sites had their highest winter daily rainfall on record
• Some sites had their highest total winter rainfall on record
• Some sites had their highest total winter rainfall for at least 20 years

Warm days in the Kimberley, warm nights in the Pilbara

• The mean maximum temperature for Western Australia in winter was 1.09 °C above the 1961–90 average.
• Mean maximum temperatures were very much above average along the Kimberley coast generally above average in the broader Kimberley and Gascoyne Districts. Mean maximum temperatures were close to average everywhere else.
• The mean minimum temperature for Western Australia in winter was 0.21 °C above the 1961–90 average, but still the coolest since 2018.
• Mean minimum temperatures were very much above average for the Pilbara coast and generally above average for around a third of the state, including the Southern Interior District. Mean minimum temperatures were below average in the Northern Interior and around the Eucla coast.
• Some sites had their coldest winter day (lowest maximum temperature) on record
• Some sites had their lowest winter temperature on record
• Some sites had their warmest winter night (highest daily minimum temperature) on record

Extremes Maps Records Summaries Important notes the top

Extremes Maps Records Summaries Important notes the top

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

* note: there are gaps in the historical record at this site, so it is possible a higher value has gone unreported

Extremes Maps Records Summaries Important notes the top

Extremes Maps Records Summaries Important notes the top