Discover Rottnest island
Rottnest Island. The ideal destination if you are not in the mood for hectic city life. The best travel time is from January to May and October to December.
Rottnest Island Weather in August
In Rottnest Island, August brings pleasant daytime temperatures around 19°C (66°F), with nights cooling to 14°C (57°F). Expect quite a bit of rainfall this month.
Rainfall in Rottnest Island in August
Past climate data indicates that roughly 13 days will see rain, totalling around 120 mm (4.7 in) for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Rottnest Island in August
In August, Rottnest Island sees pleasant temperatures, with highs of 19°C (66°F). Nights drop to around 14°C (57°F). Conditions are often most pleasant around the middle of the day. With lows of 14°C (57°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest. Enjoy a month of comfortably warm temperatures, despite being cooler than other months.
Sunshine in Rottnest Island in August
Expect a lot of sunshine this month, with about 222 hours of sun. These sunny conditions add to the overall experience.August in Rottnest Island has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
Rottnest Island Temperature in August
Min Temperature
14°C (57°F)
Max Temperature
19°C (66°F)
Chance of Rain
43%
Precipitation
120 mm (4.7 in)
Rainy days
13 days
Humidity
54% *
Sunshine
222 hours *
Percentage Sunshine
*
* Data from: Perth, Australia (41 KM, 26 Miles).
Rottnest Island Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Rottnest Island - and find the best time to visit.
Best Places in Australia in August
Find out more about the weather in Australia and which places have the best travel conditions in this month. See all of Australia in August →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Rottnest Island in August
Pleasant temperatures in August mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Rottnest Island in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling9/10 -
Walking9/10 -
Camping6/10 -
Outdoor sports9/10
Rottnest Island 3-Day Forecast
More climate data for Rottnest Island
Temperature Rainfall Sunshine Humidity
See the full Rottnest Island climate overview or explore weather in Australia.
Popular in August
Where to go in August - average daytime high across popular destinations.
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Discover Rottnest island
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