Average Temperature In Australia In January _verified_ May 2026

and the far southwest offer the coolest January weather, with averages of 18°C–23°C (64°F–73°F) —ideal for those seeking a milder summer escape.

(Adelaide, Perth, Melbourne) enjoys warm to hot, dry conditions, with average highs of 26°C–30°C (79°F–86°F) . However, coastal sea breezes often moderate the heat. average temperature in australia in january

(Uluru, Alice Springs) sees scorching daytime heat, with averages around 35°C–40°C (95°F–104°F) and very low humidity, but nights can drop sharply to around 20°C (68°F) . and the far southwest offer the coolest January