South Australia Weather in January

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

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

What to Expect in South Australia in January

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

Temperatures

The average highest temperatures fluctuate between pleasant in Robe at 21°C (70°F) to very hot in Coober Pedy at 38°C (100°F). Nighttime temperatures generally drop to 22°C (72°F) in Coober Pedy and 15°C (59°F) in Robe. On average, January is the warmest month of the year in South Australia, Australia. So be prepared and pack summer clothes.

To learn more about the conditions in specific areas of South Australia, Australia, check out the map below.

Precipitation

In January, precipitation varies across different areas. From low rainfall in Coober Pedy with an average of 15 mm (0.6 in) to moderate rainfall in Mount Gambier with 40 mm (1.6 in).

Average sunshine

Plenty of sunshine can be expected in numerous places in January. Adelaide typically receives 326 hours of sunlight, making it ideal for those seeking sunny weather.

Explore South Australia by month

Best Places to Visit in South Australia in January

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 January for some of the most popular destinations in South Australia, Australia?

Temperature range in South Australia (January)

Precipitation variation in South Australia (January)

Adelaide

In January Adelaide generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 16°C (61°F) and low monthly rainfall. So on average the conditions are perfect that month.

December
January
February
Max temperature
25°C (77°F)
27°C (81°F)
27°C (81°F)
Min temperature
14°C (57°F)
16°C (61°F)
16°C (61°F)
Monthly sun hours
294 hours
326 hours
287 hours
Monthly rainfall
29 mm (1.1 in)
22 mm (0.9 in)
22 mm (0.9 in)
Monthly rainy days
6 days
6 days
6 days
Weather conditions

Victor Harbor

In January Victor Harbor generally has high temperatures with maximum daytime temperatures around 25°C (77°F), minimum nighttime temperatures around 15°C (59°F) and low monthly rainfall. So on average the conditions are perfect that month.

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

Clare

In January Clare generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 16°C (61°F) and low monthly rainfall. So on average the conditions are perfect that month.

December
January
February
Max temperature
28°C (82°F)
31°C (88°F)
30°C (86°F)
Min temperature
14°C (57°F)
16°C (61°F)
16°C (61°F)
Monthly rainfall
33 mm (1.3 in)
25 mm (1 in)
22 mm (0.9 in)
Monthly rainy days
6 days
7 days
6 days
Weather conditions

McLaren Vale

In January McLaren Vale generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 15°C (59°F) and low monthly rainfall. So on average the conditions are perfect that month.

December
January
February
Max temperature
24°C (75°F)
26°C (79°F)
26°C (79°F)
Min temperature
14°C (57°F)
15°C (59°F)
16°C (61°F)
Monthly sun hours
294 hours
326 hours
287 hours
Monthly rainfall
29 mm (1.1 in)
23 mm (0.9 in)
24 mm (0.9 in)
Monthly rainy days
6 days
7 days
6 days
Weather conditions

Port Elliot

In January Port Elliot generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 15°C (59°F) and low monthly rainfall. So on average the conditions are perfect that month.

December
January
February
Max temperature
24°C (75°F)
26°C (79°F)
26°C (79°F)
Min temperature
13°C (55°F)
15°C (59°F)
15°C (59°F)
Monthly sun hours
294 hours
326 hours
287 hours
Monthly rainfall
28 mm (1.1 in)
22 mm (0.9 in)
24 mm (0.9 in)
Monthly rainy days
6 days
7 days
6 days
Weather conditions

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

In our records: Australia January extremes

Notable January records observed across cities in Australia in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the warmest January day in Australia reached 46°C (115°F) in Ballarat on January 29, 2009.

Popular cities in January

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

City Weather Day temp Night temp Rainfall
Adelaide 27°C (81°F) 16°C (61°F) 22 mm (0.9 in)
Victor Harbor 25°C (77°F) 15°C (59°F) 22 mm (0.9 in)
Clare 31°C (88°F) 16°C (61°F) 25 mm (1 in)
McLaren Vale 26°C (79°F) 15°C (59°F) 23 mm (0.9 in)
Port Elliot 26°C (79°F) 15°C (59°F) 22 mm (0.9 in)
Hahndorf 29°C (84°F) 14°C (57°F) 24 mm (0.9 in)

South Australia weather in January: frequently asked questions

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

Expect perfect weather across South Australia, Australia in January. The popular destination of Adelaide averages 27°C (81°F) by day and 16°C (61°F) at night during this summer month.

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

Adelaide averages a daytime maximum of 27°C (81°F) in January, with overnight lows close to 16°C (61°F).

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

Not particularly. Adelaide averages just 22 mm (0.9 in) of rain in January, making it a mostly dry month for South Australia, Australia.

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

We believe that January 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. The weather in June, July and August, on the other hand, tends 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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