The Bureau of Meteorology has released its climate data for June. As a whole, June was warmer than average in Australia with a national monthly mean temperature 0.33 °C above average.
Day time maximum temperatures were warmer than average across Australia for June, with a national anomaly of +0.84 °C. Decile 10 mean monthly maximums temperatures (the warmest 10% of historical observations) were observed for parts of the North West Slopes and Plains of New South Wales, western Top End in the Northern Territory, Capricornia District in Queensland and scattered regions of the western Kimberley in Western Australia.
However, that national mean minimum temperature in Australia as a whole was 0.17 ºC below average for June. Minimum temperatures for the month were cooler than average across most of Victoria, western NSW, eastern South Australia, much of eastern QLD, the south-eastern Top End in the NT, a large region of southern NT and the eastern half of the Kimberley in WA.
Rainfall across the country was below average as a whole. Monthly rainfall was below average for the Kimberley and south-western quarter of WA, the majority of the NT, much of SA and eastern mainland states. June rainfall was very much below average (the lowest 10% of historical observations, decile 1) for some areas along the east coast of Australia, with the largest observed in the North West Slopes and Plains and Northern Tablelands districts inland of the Great Dividing Range in north-east NSW and Central East NSW.
A number of stations in New South Wales and Queensland received record low June rainfall, with quite a number more observing their lowest June rainfall for at least 20 years. June was a wetter than average month for the Pilbara, Gascoyne and parts of the Western Interior of WA, as well as the coastal Eucla District and a large portion of western QLD.
Anomaly charts of mean daily maximum, minimum temperatures and rainfall deciles for June 2018.