Rottnest Island Climate by Month
Temperatures see a moderate degree of fluctuation,
transitioning from warm conditions
to pleasant.
It maintains moderate precipitation patterns.
Now, let’s break down all the climate details for a clearer picture.
Average day and night temperature
In Rottnest Island, seasonal changes bring about a moderate variation in temperatures. Typically, daytime temperatures range from a comfortable 26°C in February to a pleasant 19°C in the coolest month, August. Nights are cooler, with temperatures generally dropping to 14°C, particularly during the colder months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Generally, Rottnest Island experiences moderate precipitation patterns, averaging 743 mm yearly. The climate in Rottnest Island shows significant variation throughout the year. Expect high rainfall in June, with an average of 157 mm of precipitation over 14 rainy days. In contrast, December offers drier and sunnier days, with around 9.5 mm of rainfall over 4 rainy days.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
For those who appreciate different seasons, Rottnest Island serves as an ideal destination. Expect longer, more sun-filled days in January with an average of 11.8 hours of sunshine daily, and embrace the darker days in June, offering only 5.9 hours of daily sunlight.Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The relative humidity is low throughout the year in Rottnest Island.
Relative humidity over the year
The best time of year to visit Rottnest Island in Australia
During the months of January, February, March, April, May, October, November and December you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
Yes, the months of January, February and December are very dry.
February has an average maximum temperature of 26°C and is the warmest month of the year.
The coldest month is August with an average maximum temperature of 19°C.
June tops the wettest month list with 157 mm of rainfall.
December is the driest month with 10 mm of precipitation.
January is the sunniest month with an average of 355 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
