Thursday, 1 August 2019 - Monthly Climate Summary for Western Australia - Product code IDCKGC11R0

Western Australia in July 2019: record warm days; a dry month

Mean maximum temperatures were above average across Western Australia, and it was the warmest July on record for the State as a whole. Rainfall was below average for most of WA, and it was the tenth-driest July on record for the State. The statewide mean minimum temperature was above average.

Below average rainfall for most of WA

• Rainfall was 61% below July average for WA , the tenth-driest July on record and driest since 2012
• Rainfall was the tenth-driest July on record for the South West Land Division (SWLD), and driest since 2012
• A cold front and associated cloudband produced widespread 30-60 mm rainfall in the SWLD on the 5th; some sites had their highest July daily rainfall on record
• It was very dry in the Southeast Coastal district with monthly rainfall totals only in the 20-50 mm range, and it was driest July since 1977 for some sites
• Monthly rainfall was generally less than 10 mm along the Eucla district, and Mundrabilla Station had its driest July since 1986
• It was the third-driest year to date (January-July) for WA, and driest for eighty-three years since 1936; the driest year to date on record was 1924
• It was the fifth-driest year to date for the SWLD, and driest since 2010; the driest year to date on record was 1914
• Forrest in inland Eucla district recorded 24.2 mm rainfall for year so far (January-July), and only four days had more than 2 mm; it was its driest year to date on record, and previous record was in January-July 1944 when 32.3 mm was recorded at Forrest Afro

Above average mean maximum temperatures across WA.3

• The mean maximum temperature was 2.54 °C above average for WA, which exceeded previous record set in July 2017 (+2.34 °C)
• The mean maximum temperature was 1.34 °C above average for the SWLD, equal ninth-highest on record, equaled with July 2002
• The mean minimum temperature was 0.63 °C above average for WA; though only 0.16 °C above average for the SWLD
• The year to date mean maximum temperature was 2.11 °C above average for WA, which was the warmest year to date (January-July) on record; previous record was 1.83 °C on January-July 2005
• The year to date mean minimum temperature was 0.61 °C above average for WA, the highest since 2016
• Days were particularly warm in a broad area extending from the west Kimberley and east Pilbara coast to the Southern Interior; some sites had their warmest July on record or warmest July for over two decades
• It was the warmest July on record at Port Hedland Airport, as the result of a total 18 days recorded temperature of 30 °C or higher; previous July record was 16 days set in July 2003
• Frezzing temperatures were recorded in isolated spots in the southern WA mostly during the middle and late July; Eyre in the Eucla coast recorded the State's lowest temperature of the month with -4.0 °C om the 31st

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 lower value has gone unreported

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

* 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