South Australia Weather in December

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

Planning a trip to South Australia, Australia this December? Here's what you need to know about the weather:

What to Expect in South Australia in December

South Australia, Australia is a region in Australia. The weather in South Australia in December can be quite varied, with temperatures that range from pleasant to very hot and precipitation levels ranging from low to moderate. During December, summer is in full swing.

Temperatures

The average highest temperatures fluctuate between pleasant in Robe at 20°C (68°F) to very hot in Coober Pedy at 35°C (95°F). Nighttime temperatures generally drop to 20°C (68°F) in Coober Pedy and 14°C (57°F) in Robe.

For a closer look at conditions across South Australia, Australia, refer to the map below.

Precipitation

In December, precipitation varies across different areas. From low rainfall in Streaky Bay with an average of 21 mm (0.8 in) to moderate rainfall in Mount Gambier with 49 mm (1.9 in).

Average sunshine

Several destinations enjoy plenty of sunshine this month. Adelaide sees close to 294 hours of sunlight, making it great for sun lovers.

Explore South Australia by month

Pick a month to see the average temperature, rainfall and sunshine in South Australia — and find the best time to visit. (based on Adelaide)

Best Places to Visit in South Australia in December

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

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

Temperature range in South Australia (December)

Precipitation variation in South Australia (December)

Adelaide

In December Adelaide generally has high temperatures with maximum daytime temperatures around 25°C (77°F), minimum nighttime temperatures around 14°C (57°F) and low monthly rainfall. So on average the conditions are perfect that month.

November
December
January
Max temperature
23°C (73°F)
25°C (77°F)
27°C (81°F)
Min temperature
13°C (55°F)
14°C (57°F)
16°C (61°F)
Monthly sun hours
273 hours
294 hours
326 hours
Monthly rainfall
34 mm (1.3 in)
29 mm (1.1 in)
22 mm (0.9 in)
Monthly rainy days
7 days
6 days
6 days
Weather conditions

Victor Harbor

In December Victor Harbor generally has high temperatures with maximum daytime temperatures around 24°C (75°F), minimum nighttime temperatures around 14°C (57°F) and low monthly rainfall. So on average the conditions are perfect that month.

November
December
January
Max temperature
22°C (72°F)
24°C (75°F)
25°C (77°F)
Min temperature
12°C (54°F)
14°C (57°F)
15°C (59°F)
Monthly sun hours
273 hours
294 hours
326 hours
Monthly rainfall
32 mm (1.3 in)
28 mm (1.1 in)
22 mm (0.9 in)
Monthly rainy days
7 days
6 days
7 days
Weather conditions

Clare

In December Clare generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 14°C (57°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

November
December
January
Max temperature
26°C (79°F)
28°C (82°F)
31°C (88°F)
Min temperature
12°C (54°F)
14°C (57°F)
16°C (61°F)
Monthly rainfall
30 mm (1.2 in)
33 mm (1.3 in)
25 mm (1 in)
Monthly rainy days
7 days
6 days
7 days
Weather conditions

McLaren Vale

In December McLaren Vale generally has high temperatures with maximum daytime temperatures around 24°C (75°F), minimum nighttime temperatures around 14°C (57°F) and low monthly rainfall. So on average the conditions are perfect that month.

November
December
January
Max temperature
22°C (72°F)
24°C (75°F)
26°C (79°F)
Min temperature
12°C (54°F)
14°C (57°F)
15°C (59°F)
Monthly sun hours
273 hours
294 hours
326 hours
Monthly rainfall
34 mm (1.3 in)
29 mm (1.1 in)
23 mm (0.9 in)
Monthly rainy days
7 days
6 days
7 days
Weather conditions

Port Elliot

In December Port Elliot generally has high temperatures with maximum daytime temperatures around 24°C (75°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
23°C (73°F)
24°C (75°F)
26°C (79°F)
Min temperature
12°C (54°F)
13°C (55°F)
15°C (59°F)
Monthly sun hours
273 hours
294 hours
326 hours
Monthly rainfall
32 mm (1.3 in)
28 mm (1.1 in)
22 mm (0.9 in)
Monthly rainy days
7 days
6 days
7 days
Weather conditions

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

Popular cities in December

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

City Weather Day temp Night temp Rainfall
Adelaide 25°C (77°F) 14°C (57°F) 29 mm (1.1 in)
Victor Harbor 24°C (75°F) 14°C (57°F) 28 mm (1.1 in)
Clare 28°C (82°F) 14°C (57°F) 33 mm (1.3 in)
McLaren Vale 24°C (75°F) 14°C (57°F) 29 mm (1.1 in)
Port Elliot 24°C (75°F) 13°C (55°F) 28 mm (1.1 in)
Hahndorf 26°C (79°F) 12°C (54°F) 32 mm (1.3 in)

South Australia weather in December: frequently asked questions

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

South Australia, Australia typically experiences perfect weather in December, part of the summer season. Daytime highs in Adelaide average around 25°C (77°F), and temperatures drop to about 14°C (57°F) at night.

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

Adelaide averages a daytime maximum of 25°C (77°F) in December, with overnight lows close to 14°C (57°F).

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

Rain is generally moderate to light in South Australia, Australia during December, with Adelaide averaging close to 29 mm (1.1 in).

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

We believe that December is one of the best times to visit South Australia, Australia with overall perfect weather in Adelaide.

Generally speaking, January, February, March, April, October, November and December provide perfect weather in Adelaide. On the other hand, the weather in June, July and August tend to be tolerable.

Interested in more climate information?

We have much more information about the climate in South 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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