Unpredictable. You might get a 35°C (95°F) heatwave followed by a hailstorm the next day. Melbourne is famous for "four seasons in one day" during spring.
Many foreigners think Australia is always hot. Wrong. Southern cities like Melbourne, Canberra, and Hobart get bitterly cold (0–10°C / 32-50°F). It doesn't snow often in the cities, but the damp cold goes right through your bones. seasons in australia
The sun in Australia is aggressive (thanks to the ozone hole). You will burn in 10 minutes. Slip, slop, slap! (Slip on a shirt, slop on sunscreen, slap on a hat). Unpredictable
Expect scorching heat. In the interior, temperatures can hit 40°C+ (104°F). Coastal cities like Sydney and Melbourne hover around 25–30°C (77–86°F), but humidity can be brutal up north. Many foreigners think Australia is always hot