Australia just had its hottest November on record. While La Niña is expected to bring a wetter summer.
Experts warn that people should take extra precautions indoors and outdoors to prevent health problems related to sunshine and heat.
Scientific studies show that more Australians die from extreme heat events than any other natural disaster.
The BOM estimates that prolonged humid summers can cause serious health problems.
Figures from Victoria's emergency department show that half of the hospital admissions for sunburn during the 2018-19 summer were children.