Warrnambool's weather is cool and changeable year-round — this is the southern Victorian coast, and even summer days can turn cold and windy. The warmest months are December through February, when beach weather is possible, though rarely guaranteed.
The whale-watching season runs June to October, which coincides with winter and early spring. The whales are the single biggest draw for many visitors, and this is the right time to come for them. Bring warm layers.
The Warrnambool Racing Carnival, held in late May, draws thousands of visitors for the Grand Annual Steeplechase, one of the premier jumps races in the Australian racing calendar.