Best Time To Visit Rottnest Island

The best time to visit Rottnest Island is in Autumn or Spring. The months of October and November are recommended as the weather is perfect and the seas calm enough for a swim or water sports.

Rottnest Island has a temperate Mediterranean style climate with wet-mild winters and dry summers. The island is slightly cooler than the nearby city of Perth.

  • Summer: Summer falls during the months of December to March and the temperature ranges from 30 degree Celsius on average to 40 degree Celsius at the height of summer. Humidity is minimal.
  • Autumn: April to May is a good time to visit for those who might find the beaches too hot in the summer months. The temperatures start cooling from the month of April, with an average high of 25 degree Celsius and an average low of 13 degree Celsius.
  • Winter: The winter months of June to August is when it really rains, and the seas turn too rough for swimming. Average temperatures range from 19 degree Celsius to 7 degree Celsius. However, temperatures have been known to drop below 0 degree Celsius on clear nights.
  • Spring: Spring temperatures range between 20 degree Celsius to 11 degree Celsius and the most pleasant months are October and November.
13-Dec-2018
Today 13 Dec

75

71

Clear throughout the day.

Wind:4.88 m/s

Humidity:63%

Precipitation:0%

  • Fri 14 Dec
    77 | 68

    Mostly cloudy starting in the evening and windy overnight.

  • Sat 15 Dec
    70 | 67

    Mostly cloudy throughout the day and breezy until evening.

  • Sun 16 Dec
    71 | 64

    Windy and partly cloudy starting in the evening.

  • Mon 17 Dec
    69 | 63

    Partly cloudy in the morning.

  • Tue 18 Dec
    69 | 64

    Clear throughout the day.

  • Wed 19 Dec
    72 | 66

    Partly cloudy in the morning.

  • 80℉
  • 60℉
  • 40℉
  • 20℉ 0℉
Jan

Average temperature: 74℉

Minimum temperature: 50℉

Maximum temperature: 104℉

Feb

Average temperature: 74℉

Minimum temperature: 46℉

Maximum temperature: 99℉

Mar

Average temperature: 70℉

Minimum temperature: 46℉

Maximum temperature: 97℉

Apr

Average temperature: 67℉

Minimum temperature: 45℉

Maximum temperature: 88℉

May

Average temperature: 61℉

Minimum temperature: 39℉

Maximum temperature: 84℉

Jun

Average temperature: 58℉

Minimum temperature: 37℉

Maximum temperature: 75℉

Jul

Average temperature: 56℉

Minimum temperature: 36℉

Maximum temperature: 72℉

Aug

Average temperature: 56℉

Minimum temperature: 34℉

Maximum temperature: 73℉

Sep

Average temperature: 58℉

Minimum temperature: 39℉

Maximum temperature: 79℉

Oct

Average temperature: 61℉

Minimum temperature: 41℉

Maximum temperature: 84℉

Nov

Average temperature: 71℉

Minimum temperature: 52℉

Maximum temperature: 95℉

Dec

Average temperature: 70℉

Minimum temperature: 50℉

Maximum temperature: 104℉

Highest temperature in Rottnest Island is recorded as 104℉ in January and December.

Lowest temperature in Rottnest Island is recorded as 33.8℉ in August.

  • 100
  • 75
  • 50
  • 25 0
Jan

Average Humidity: 58%

Minimum Humidity: 32%

Maximum Humidity: 87%

Feb

Average Humidity: 65%

Minimum Humidity: 40%

Maximum Humidity: 93%

Mar

Average Humidity: 65%

Minimum Humidity: 48%

Maximum Humidity: 88%

Apr

Average Humidity: 64%

Minimum Humidity: 41%

Maximum Humidity: 77%

May

Average Humidity: 69%

Minimum Humidity: 53%

Maximum Humidity: 89%

Jun

Average Humidity: 66%

Minimum Humidity: 35%

Maximum Humidity: 83%

Jul

Average Humidity: 74%

Minimum Humidity: 55%

Maximum Humidity: 85%

Aug

Average Humidity: 73%

Minimum Humidity: 59%

Maximum Humidity: 88%

Sep

Average Humidity: 70%

Minimum Humidity: 51%

Maximum Humidity: 83%

Oct

Average Humidity: 66%

Minimum Humidity: 41%

Maximum Humidity: 81%

Nov

Average Humidity: 59%

Minimum Humidity: 41%

Maximum Humidity: 77%

Dec

Average Humidity: 59%

Minimum Humidity: 40%

Maximum Humidity: 77%

Most humid month in Rottnest Island is July.

Least humid month in Rottnest Island is January.

  • Best time to visit Rottnest Island Visitor Centre in Rottnest Island
    • Everyday : 07:30 AM to 04:00 PM
  • Best time to visit Rottnest Island Museum in Rottnest Island
    • Everyday : 11:00 AM to 02:30 PM
  • Best time to visit Parakeet Bay in Rottnest Island
    • Everyday : 11:00 AM to 03:00 PM
  • Best time to visit Salmon Bay in Rottnest Island
    • Everyday : 11:00 AM to 03:00 PM