- Weather: Mild, sunny, highs 21–25°C, occasional showers.
- Crowds: Moderate, increasing toward November.
- Activities: Wildflower walks, cycling, snorkeling as the waters warm.
- Wildlife: Quokka joeys emerge, migratory birds arrive, wildflowers bloom.
- Pros: Vibrant landscapes, comfortable weather, active wildlife.
- Cons: Some showers, evenings can be cool.
A season-by-season guide to visiting Rottnest Island
Rottnest Island’s seasons align with both the Western calendar and the six Noongar seasons, reflecting the deep cultural connection of the Whadjuk Noongar people to Wadjemup.
- Weather: Hot, dry, highs 27–30°C (can reach 40°C in heatwaves), minimal rain.
- Crowds: Peak season, especially during school holidays and events.
- Activities: Swimming, snorkeling, boating, festivals, and outdoor dining.
- Wildlife: Reptiles are active, marine life is abundant, and salt lakes are vibrant.
- Pros: Best beach weather, long days, lively atmosphere, warm water.
- Cons: Can be crowded, limited accommodation availability, risk of sunburn.
- Weather: Warm to mild, highs 22–28°C, rainfall increases in May.
- Crowds: Easing after summer, quieter by late autumn.
- Activities: Hiking, cycling, historical tours, sunset viewing.
- Wildlife: Quokkas are active, and birdlife is abundant.
- Pros: Pleasant temperatures, fewer crowds, beautiful sunsets.
- Cons: Rain increases from May, and water cools gradually.
- Weather: Coolest, highs 17–19°C, wettest period.
- Crowds: Lowest, peaceful atmosphere.
- Activities: Walking trails, photography, whale watching (late winter), and indoor attractions.
- Wildlife: Quokkas, winter birds, dramatic coastal scenery.
- Pros: Tranquility, lush landscapes, off-peak pricing.
- Cons: Rainy days, some activities are limited by weather.
