Millions of Australians have sweltered through a scorching heatwave that sent temperatures soaring across the nation.
Melbourne hit 36.7C late on Monday afternoon, the city's hottest day in almost a year, with residents flocking to the beach in droves seeking relief from the searing heat.
Parts of regional Victoria were even warmer, with Horsham, Mildura, Shepparton and Swan Hill all nudging the 40C mark.
Adelaide also bore the brunt of the heatwave sweeping parts of the country, with the temperature in the city of churches hitting 38.3C.
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Melbourne residents flocked to the beaches in droves on Monday as the city recorded its warmest day in almost a year
The mercury in Melbourne hit 36.7C late on Monday afternoon, with St Kilda beach a popular spot for residents looking to beat the heat
The hot weather had well and truly set in by the late afternoon, with residents not expected to experience relief from the heat until about 11pm on Monday
Tasmania was not spared either, with areas in the southern part of the state almost 17C above average.
Hobart hit 36.3C, while Bruny Island south of the capital hit a state-high 36.8C, 16.7C above average.
A total fire ban was declared for Victoria's Mallee, Northern Country and Wimmera areas, with the danger rated as severe across the three regions.
The fire danger in Central, North Central and South West regions is considered very high, while it is high in the North East and Gippsland regions.
Melbourne has not been as hot since January 31 last year when the temperature reached 42.9C.Insurance Loans Mortgage Attorney Credit Lawyer
Chris Arvier, a senior forecaster for the Bureau of Meteorology, said Melbourne's weather was about 10C above average.
St Kilda was teeming with beachgoers as residents soaked up the hottest day since January 31 last year
There was plenty of fun in the sun as Melburnians hit the waves in a bid to cool down from the searing summer heat
The Bureau of Meteorology put out a heatwave warning for almost all of Australia, including South Australia, Victoria, NSW, the ACT, Tasmania, the Northern Territory and Western Australia
He said Victorians won't see relief from the hot weather until well into Monday night.
'A change is coming through in late in the evening and it will be a much cooler day tomorrow before the warm weather returns on Wednesday,' he told AAP.
Melbourne is forecast to reach 34C on Wednesday before mild conditions return.
NSW is next in line for the sweltering conditions, with soaring temperatures set to bake parts of the state.
A high pressure system over the Tasman Sea is drawing warmer air across NSW, with the Bureau of Meteorology forecasting temperatures to hit