Rottnest Island Weather in December

December in Rottnest Island brings high temperatures, with highs of 24°C (75°F) and nights dropping to 19°C (66°F). It's also the driest month of the year, ideal for those who want to avoid rain.

Rainfall in Rottnest Island in December

Conditions tend to be dry and settled, making it a good month for outdoor plans. The climate data from previous years indicates about 4 days of rain, averaging 9.5 mm (0.4 in) for the month. The odd shower may pass through, but it usually doesn't amount to much. A largely dry month overall.

Temperature in Rottnest Island in December

December is a perfect month in Rottnest Island, with 24°C (75°F) during the day and 19°C (66°F) at night. Overall, the month follows a fairly predictable daily temperature pattern. Nights cool down to 19°C (66°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Rottnest Island in December

Expect a lot of sunshine this month, with about 354 hours of sun. These sunny conditions add to the overall experience.

So this is a great month to visit if you prefer dry days with pleasant temperatures.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Australia, check out our Rottnest Island's climate page.

Rottnest Island Temperature in December

Min Temperature 19°C (66°F)  

Max Temperature 24°C (75°F)  

Chance of Rain 12%  

Precipitation 9.5 mm (0.4 in)  

Rainy days 4 days  

Humidity 41% *  

Sunshine 354 hours *  

Percentage Sunshine *  

* Data from: Perth, Australia (41 KM, 26 Miles).

What to Wear in Rottnest Island in December

Pleasant temperatures in December 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. With minimal rainfall expected, you can leave the rain gear at home. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Rottnest Island in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

10/10

Cycling

10/10

Walking

10/10

Barbeque

9/10

Camping

10/10

Outdoor sports

10/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Australia, check out our Rottnest Island's climate page.

More climate data for Rottnest Island

Temperature Rainfall Sunshine Humidity

See the full Rottnest Island climate overview or explore weather in Australia.