Perth weather

Our guide to the weather in Perth during December

30

Average high

6

UV Index

21mm

Monthly rainfall

22

Sea temperature

We've looked at the most up-to-date weather data for Perth, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Perth weather in December.

How hot is it in Perth during December?

The temperature reaches around 30℃ during the daytime in December, falling away to 17℃ at night. Remember that in December it's summer in the souther hemisphere! The UV index will be high at this time of year, so protection against skin and eye damage is needed. Try to limit exposure between 10am and 4pm. Apply broad spectrum SPF 30+ sunscreen every few hours, even if it's cloudy, or more frequently after sweating or swimming, and wear UV-blocking sunglasses too, and bear in mind that bright surfaces, such as sand and water increase UV exposure.

Does it rain in Perth during December?

On average, in December you'll see rain on just one day in the month. In other words, you shouldn't see any of the wet stuff. There's a small chance that you'll catch a thunderstorm during your trip.

Is it windy in Perth during December?

You're unlikely to experience any strong winds. Expect a gentle breeze that increases to moderate at times during December. With moderate humidity, any breeze will have a welcome cooling effect.

How warm is the sea in Perth during December?

The water temperature around Perth reaches a pleasant 22℃ during December. While generally considered warm, some people might find it a little on the cool side on entering the water. The hot air temperature will mean that you will feel comfortably warm when coming out of the water.

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Perth Blog posts

From the UK's most popular travel bloggers

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10 Day South West Australia Road Trip Itinerary From Perth

14th February 2024 by I'm just a girl 16

Are you looking to tour South West Australia? Perhaps you need some inspiration for Perth road trips for your next holiday Down Under! This huge Western Australia road trip itinerary includes everything you need to know about planning the perfect road trip route in WA!...

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Your 4 point plan to save on travel in pricey Perth

29th January 2021 by Savoir There

So you’ve decided to travel to Australia - and you’re not just sticking to the well-trodden path of the country’s East Coast. If you’re headed to Perth, the capital of Western Australia, you’ll already know that this isolated and remote Aussie city (not to be confused with it’s namesake in Scotland), has a reputation for being shockingly expensive....

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Aviation breakthrough: Fly to Perth without stopping

6th February 2018 by Stuart

Get ready to throw another shrimp on the barbie to celebrate March 25 2018: that's the momentous day that passengers will be able to fly to Oz in one go. That's right, no stopping to refuel! An aviation first, you'll be able to fly from London Heathrow to Perth, Western Australia in a single 17-hour marathon with Qantas. And it's all made possible thanks to the Boeing 787-9 Dreamliner's state of the art 8,947-mile range and fuel economy. Qantas has even challenged aircraft manufacturers...

Weather in Perth

Our month-by-month guide to the weather and climate in Perth

31.8

Perth weather in

January
31.7

Perth weather in

February
29.1

Perth weather in

March
25.5

Perth weather in

April
21.2

Perth weather in

May
18.5

Perth weather in

June
17.2

Perth weather in

July
17.9

Perth weather in

August
19.5

Perth weather in

September
22.6

Perth weather in

October
26.3

Perth weather in

November
30.1

Perth weather in

December