Rottnest Island weather and climate

Rottnest Island enjoys the same sunny Mediterranean climate as Perth, but is generally a few degrees cooler in the height of summer and enjoys warmer winters with less rainfall compared to the mainland.The four seasons are as follows:

Summer: Dec/Jan/Feb
Autumn: Mar/Apr/May
Winter: June/July/Aug
Spring: Sept/Oct/Nov

Due to a warm water current known as the Leeuwin Current, Rottnest Island generally has warmer water temperatures too, ranging from an average of 23°C in summer to 19°C in winter.

Current weather

This weather page is updated frequently. Please ensure these details are correct before planning any boating or land excursions. Click on the links below for more detailed weather and climate information.

Wave data for Rottnest Island
Historical Rottnest Island weather data
Recent Rottnest Island weather data