Perth Weather in December

What's the weather like in Perth, Australia in December?

The climate in Perth during December can be summarized as warm and dry.

December is in the summer in Perth and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a comfortable 28°C (83°F), whilst at night 16°C (60°F) is normal.

Perth weather averages (imperial / metric)
Daytime temperature 28.3°C 82.9°F
Nightly temperature 15.7°C 60.3°F
Average temperature 22°C 71.6°F
Daily sunshine 11.6 hrs
Avg rainfall 13 mm 0.5 ins
Rainy days 4 days
Sea temperature 20.8°C 69.4°F
Humidity 44%
Windspeed 19.1kph 12 mph

On average December is the 2nd driest month of the year in Perth with around 13mm 0.5 inches of rain making it a dry time to visit. This rainfall is typically spread over 4 days, although this may vary considerably.

On the flip side this corresponds to an average of 11.6 hours of sunshine per day.

December temperatures in Perth

December rainfall

December hourly sunshine

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in December 2018.

Other monthly averages

Perth weather stats

Perth weather statistics
Hottest month: February 30.9°C 87.6°F
Driest month: January 8mm 0.3ins
Sunniest month: January 12hrs
Coldest month: July 17.4°C 63.3°F
Wettest month: June 177mm 7ins
Map showing location of Perth (-31.95224, 115.8614)

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