Southern Australia experiences classic warm-to-hot summers with relatively low humidity, though conditions can change rapidly.
In the Australian summer, dehydration sneaks up on you quickly. If you are sightseeing, always carry a water bottle. Tap water is safe and delicious to drink everywhere in Australia, and public water fountains ("bubblers") are common in parks and city centers. summer in australia temperature
The culture has adapted around the thermometer: summer in australia temperature