Rottnest Island Weather and Climate: A Comprehensive Guide
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 maximum day and minimum night temperature
In Rottnest Island, seasonal changes bring about a moderate variation in temperatures. Typically, average maximum daytime temperatures range from a comfortable 26°C in February to a pleasant 19°C in the coolest month, August.
Nights are cooler, with lows often dropping to around 14°C during the colder months. Check out our detailed temperature page for more information.Temperature ranges by month
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. For more details, please visit our Rottnest Island Precipitation page.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. Visit our detailed sunshine hours page for more information.Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The relative humidity is moderate throughout the year in Rottnest Island.
The city experiences its highest humidity in July, reaching 57%. In February, the humidity drops to its lowest level at 38%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
almost clear and no rain broken clouds and no rain clear and no rainForecast for Rottnest Island
8 m/s
9 m/s
12 m/s
Select a Month of Interest
Check the conditions for any month of 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.
