AustraliaThe climate of Rottnest Island
The current climate in Rottnest Island features temperatures ranging from a high of 31°C to a low of 18°C throughout the year. The average yearly temperature is around 25°C. At night, temperatures in the colder months average around 10°C and in the warmer months around 19°C.
Average temperatures and precipitation
This chart shows the average monthly maximum and minimum temperatures (in degrees Celsius) and average monthly rainfall (in millimeters) for Rottnest Island, Australia.
Temperature records
The highest temperature recorded in Rottnest Island in recent years was 44°C in January 2014. The lowest daytime temperature recorded was 12°C in August 2022.
Rainfall amount
On average, Rottnest Island receives 650 mm of precipitation each year. For comparison, New York gets 1142 mm of precipitation annually.
Curious about the weather in other parts of Australia? Check out the climate and weather for spots like Sydney, Gold Coast, Melbourne, or explore other destinations in Australia.
Best time to visit Rottnest Island?
The best time to visit Rottnest Island for sunny weather is January through June and August through December. During this period, you'll have nice temperatures and not too much rain, making it a great time to visit Rottnest Island. In the other months of the year, there's too much rain or the temperature isn't ideal for a visit if you want sunny and pleasant weather.
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Climate Table of Rottnest Island
The climate table of Rottnest Island shows the average temperatures, rainfall, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 31 | 30 | 28 | 25 | 22 | 19 | 18 | 19 | 20 | 22 | 26 | 29 |
| Temp. min (°C) | 19 | 19 | 19 | 15 | 12 | 11 | 11 | 10 | 11 | 13 | 15 | 18 |
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| Precipitation (mm) | 23 | 21 | 24 | 39 | 85 | 116 | 162 | 72 | 38 | 33 | 21 | 16 |
| UV Index | 10 | 9 | 8 | 7 | 5 | 5 | 5 | 6 | 8 | 9 | 9 | 10 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
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Temperature charts
These charts display the average temperatures in Rottnest Island, Australia. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Average Temperature per Month in Rottnest Island
Yearly Temperature in Rottnest Island
Precipitation charts
These charts show the average amount of precipitation in Rottnest Island, Australia. Precipitation is always measured as water, even when it falls as snow or hail. The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Average Precipitation per Month in Rottnest Island
Total Yearly Precipitation in Rottnest Island
UV index chart
This chart shows the average UV index per month in Rottnest Island, Australia. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Average UV Index per Month in Rottnest Island
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Average weather in Rottnest Island by month
Click on a month below to see detailed weather info for Rottnest Island. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.