South Australia Weather in August

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

Planning a journey to South Australia, Australia this August and curious over the weather conditions to await? Your essential details are found on this page, answering your query:

What to Expect in South Australia in August

South Australia, Australia is a region in Australia. August in South Australia generally has temperatures that range from mild to warm, with precipitation levels ranging from low to high. August falls during the winter season.

Temperatures

The average maximum daytime temperatures vary from mild in Cape Jervis at 15°C (59°F) to warm in Coober Pedy at 22°C (72°F). Nighttime temperatures generally drop to 7°C (45°F) in Coober Pedy and 11°C (52°F) in Cape Jervis.

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

Precipitation

In August, precipitation varies across different areas. From low rainfall in Coober Pedy with an average of 9.4 mm (0.4 in) to high rainfall in Millicent with 103 mm (4.1 in).

Average sunshine

Sunshine amounts are decent in most places. Adelaide gets approximately 188 hours of sunlight in August, offering a reasonable amount of both bright and cloudy periods. Curious about sunnier destinations? Our weather planner makes it easy to find places worldwide with pleasant weather.

Explore South Australia by month

Best Places to Visit in South Australia in August

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

Temperature range in South Australia (August)

Precipitation variation in South Australia (August)

Adelaide

In August Adelaide generally has moderate temperatures with maximum daytime temperatures around 16°C (61°F), minimum nighttime temperatures around 8°C (46°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

July
August
September
Max temperature
15°C (59°F)
16°C (61°F)
18°C (64°F)
Min temperature
8°C (46°F)
8°C (46°F)
9°C (48°F)
Monthly sun hours
148 hours
188 hours
204 hours
Monthly rainfall
66 mm (2.6 in)
62 mm (2.4 in)
61 mm (2.4 in)
Monthly rainy days
9 days
9 days
8 days
Weather conditions

Victor Harbor

In August Victor Harbor generally has moderate temperatures with maximum daytime temperatures around 16°C (61°F), minimum nighttime temperatures around 9°C (48°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

July
August
September
Max temperature
15°C (59°F)
16°C (61°F)
18°C (64°F)
Min temperature
9°C (48°F)
9°C (48°F)
10°C (50°F)
Monthly sun hours
148 hours
188 hours
204 hours
Monthly rainfall
58 mm (2.3 in)
56 mm (2.2 in)
54 mm (2.1 in)
Monthly rainy days
10 days
9 days
9 days
Weather conditions

Clare

In August Clare generally has moderate temperatures with maximum daytime temperatures around 16°C (61°F), minimum nighttime temperatures around 6°C (43°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

July
August
September
Max temperature
15°C (59°F)
16°C (61°F)
19°C (66°F)
Min temperature
6°C (43°F)
6°C (43°F)
7°C (45°F)
Monthly rainfall
42 mm (1.7 in)
45 mm (1.8 in)
50 mm (2 in)
Monthly rainy days
9 days
9 days
8 days
Weather conditions

McLaren Vale

In August McLaren Vale generally has moderate temperatures with maximum daytime temperatures around 15°C (59°F), minimum nighttime temperatures around 8°C (46°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

July
August
September
Max temperature
15°C (59°F)
15°C (59°F)
17°C (63°F)
Min temperature
9°C (48°F)
8°C (46°F)
9°C (48°F)
Monthly sun hours
148 hours
188 hours
204 hours
Monthly rainfall
81 mm (3.2 in)
77 mm (3 in)
67 mm (2.6 in)
Monthly rainy days
10 days
9 days
9 days
Weather conditions

Port Elliot

In August Port Elliot generally has moderate temperatures with maximum daytime temperatures around 16°C (61°F), minimum nighttime temperatures around 9°C (48°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

July
August
September
Max temperature
15°C (59°F)
16°C (61°F)
18°C (64°F)
Min temperature
9°C (48°F)
9°C (48°F)
9°C (48°F)
Monthly sun hours
148 hours
188 hours
204 hours
Monthly rainfall
55 mm (2.2 in)
53 mm (2.1 in)
53 mm (2.1 in)
Monthly rainy days
10 days
9 days
8 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 August extremes

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

  • Based on our data, the coldest August night in Australia dropped to -13°C (9°F) in Thredbo on August 18, 2025.
  • In our records, the coldest August daytime high in Australia was -5°C (23°F) in Thredbo on August 5, 2020.

Popular cities in August

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

City Weather Day temp Night temp Rainfall
Adelaide 16°C (61°F) 8°C (46°F) 62 mm (2.4 in)
Victor Harbor 16°C (61°F) 9°C (48°F) 56 mm (2.2 in)
Clare 16°C (61°F) 6°C (43°F) 45 mm (1.8 in)
McLaren Vale 15°C (59°F) 8°C (46°F) 77 mm (3 in)
Port Elliot 16°C (61°F) 9°C (48°F) 53 mm (2.1 in)
Hahndorf 16°C (61°F) 6°C (43°F) 61 mm (2.4 in)

South Australia weather in August: frequently asked questions

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

In August, South Australia, Australia generally has tolerable weather conditions. Adelaide sees daytime temperatures near 16°C (61°F), with nights cooling to roughly 8°C (46°F).

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

Adelaide averages a daytime maximum of 16°C (61°F) in August, with overnight lows close to 8°C (46°F).

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

Rain is generally moderate to light in South Australia, Australia during August, with Adelaide averaging close to 62 mm (2.4 in).

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

In our opinion, August may not be the ideal time to visit South Australia, Australia due to the typically tolerable 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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