Perth

Western Australia Weather in December

Average temperatures, rainfall, sunshine and the best places to visit in Western Australia, Australia in December.

Planning a getaway to Western Australia, Australia this December and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What to Expect in Western Australia in December

Western Australia, Australia is a region in Australia. The weather in Western Australia in December can be quite varied, with temperatures that range from pleasant to very hot and precipitation levels ranging from low to high. December is a summer month.

Temperatures

During the day the temperature is pleasant in Lavers Hill at 20°C (68°F) and very hot in Marble Bar at 42°C (108°F). As night falls, temperatures generally drop to 25°C (77°F) in Marble Bar and 12°C (54°F) in Lavers Hill. The temperatures mentioned for daytime and nighttime are general averages. However there can be days that surpass these temperatures. So equip yourself with clothing that can handle the potential heat.

For specific regional insights in Western Australia, Australia, refer to the map provided below.

Precipitation

In December, precipitation varies across different areas. From low rainfall in Geraldton with an average of 6.1 mm (0.2 in) to high rainfall in Kununurra with 150 mm (5.9 in). Based on our climate data it is the driest month of the year in Perth.

Average sunshine

Several destinations enjoy plenty of sunshine this month. Perth sees close to 354 hours of sunlight, making it great for sun lovers.

Explore Western Australia by month

Best Places to Visit in Western Australia in December

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Western Australia.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Western Australia

What is the weather like in December for some of the most popular destinations in Western Australia, Australia?

Temperature range in Western Australia (December)

Precipitation variation in Western Australia (December)

Perth

In December Perth generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 17°C (63°F) and low monthly rainfall. So on average the conditions are perfect that month.

November
December
January
Max temperature
27°C (81°F)
30°C (86°F)
32°C (90°F)
Min temperature
14°C (57°F)
17°C (63°F)
19°C (66°F)
Monthly sun hours
318 hours
354 hours
355 hours
Monthly rainfall
23 mm (0.9 in)
12 mm (0.5 in)
20 mm (0.8 in)
Monthly rainy days
4 days
4 days
3 days
Weather conditions

Fremantle

In December Fremantle generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 18°C (64°F) and low monthly rainfall. So on average the conditions are perfect that month.

November
December
January
Max temperature
25°C (77°F)
28°C (82°F)
30°C (86°F)
Min temperature
16°C (61°F)
18°C (64°F)
19°C (66°F)
Monthly sun hours
318 hours
354 hours
355 hours
Monthly rainfall
22 mm (0.9 in)
11 mm (0.4 in)
18 mm (0.7 in)
Monthly rainy days
4 days
4 days
3 days
Weather conditions

Margaret River

In December Margaret River generally has high temperatures with maximum daytime temperatures around 23°C (73°F), minimum nighttime temperatures around 15°C (59°F) and low monthly rainfall. So on average the conditions are perfect that month.

November
December
January
Max temperature
21°C (70°F)
23°C (73°F)
25°C (77°F)
Min temperature
14°C (57°F)
15°C (59°F)
16°C (61°F)
Monthly rainfall
32 mm (1.3 in)
15 mm (0.6 in)
14 mm (0.6 in)
Monthly rainy days
5 days
4 days
3 days
Weather conditions

Albany

In December Albany generally has high temperatures with maximum daytime temperatures around 23°C (73°F), minimum nighttime temperatures around 13°C (55°F) and low monthly rainfall. So on average the conditions are perfect that month.

November
December
January
Max temperature
21°C (70°F)
23°C (73°F)
25°C (77°F)
Min temperature
12°C (54°F)
13°C (55°F)
15°C (59°F)
Monthly sun hours
193 hours
217 hours
217 hours
Monthly rainfall
38 mm (1.5 in)
27 mm (1.1 in)
24 mm (0.9 in)
Monthly rainy days
6 days
5 days
4 days
Weather conditions

Broome

In December Broome generally has very high temperatures with maximum daytime temperatures around 34°C (93°F), minimum nighttime temperatures around 27°C (81°F) and high monthly rainfall. So on average the conditions are unpleasant that month.

November
December
January
Max temperature
34°C (93°F)
34°C (93°F)
33°C (91°F)
Min temperature
26°C (79°F)
27°C (81°F)
27°C (81°F)
Monthly sun hours
338 hours
293 hours
255 hours
Monthly rainfall
7.8 mm (0.3 in)
102 mm (4 in)
172 mm (6.8 in)
Monthly rainy days
4 days
8 days
11 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Western Australia, in Australia.

Popular cities in December

Day & night temperatures, rainfall and average weather in Western Australia in December.

City Weather Day temp Night temp Rainfall
Perth 30°C (86°F) 17°C (63°F) 12 mm (0.5 in)
Fremantle 28°C (82°F) 18°C (64°F) 11 mm (0.4 in)
Margaret River 23°C (73°F) 15°C (59°F) 15 mm (0.6 in)
Albany 23°C (73°F) 13°C (55°F) 27 mm (1.1 in)
Broome 34°C (93°F) 27°C (81°F) 102 mm (4 in)
Denmark 23°C (73°F) 14°C (57°F) 25 mm (1 in)

Western Australia weather in December: frequently asked questions

What is the weather like in Western Australia, Australia in December?

Expect pleasant weather across Western Australia, Australia in December. The popular destination of Perth averages 30°C (86°F) by day and 17°C (63°F) at night during this summer month.

What is the average temperature in Western Australia, Australia in December?

Perth averages a daytime maximum of 30°C (86°F) in December, with overnight lows close to 17°C (63°F).

Does Western Australia, Australia get a lot of rain in December?

Not particularly. Perth averages just 12 mm (0.5 in) of rain in December, making it a mostly dry month for Western Australia, Australia.

Is December a Good Time to Visit Western Australia, Australia?

In our opinion, December is a good time to visit Western Australia, Australia with overall perfect weather in Perth.

Generally speaking, April, May, September, October and November provide perfect weather in Perth. In contrast, July tends to have tolerable weather conditions.

Interested in more climate information?

We have much more information about the climate in Western Australia.

Weather and climate has detailed information for every country in the world. Are you going to Australia? Get detailed historical weather averages for many cities in Australia.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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