South Australia weather

Our guide to the weather in South Australia during August

19

Average high

5

UV Index

15mm

Monthly rainfall

13

Sea temperature

We've looked at the most up-to-date weather data for South Australia, 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 South Australia weather in August.

What's the temperature like in South Australia during August?

The temperature reaches around 19℃ during the daytime in August, falling away to 10℃ at night. Remember that in August it's winter in the souther hemisphere! The UV index will be moderate at this time of year, so not something to worry about for the average person. However, if you're going to be outside for long periods it's worth wearing a broad spectrum SPF 30+ sunscreen and UV-blocking sunglasses. Remember that bright surfaces, such as water and sand increase UV exposure.

Does it rain in South Australia during August?

On average, in August you'll see rain on just one day in the month. In other words, you shouldn't see any of the wet stuff. You're not likely to see a thunderstorm during your trip.

Is it windy in South Australia during August?

You're unlikely to experience any strong winds. Expect a gentle breeze that increases to moderate at times during August. With moderate humidity and mild air temperatures, the breeze will have a slight cooling effect.

Is it too cold to swim in the sea in South Australia during August?

The water around South Australia is a bracing 13℃ during August and is too cold for for swimming. Those who frequently swim in cold open water might want to take a very quick dip, but prolonged exposure could cause hypothermia. A winter wetsuit will allow longer exposure to the water.

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South Australia Blog posts

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Weather in South Australia

Our month-by-month guide to the weather and climate in South Australia

34.9

South Australia weather in

January
33.4

South Australia weather in

February
30.0

South Australia weather in

March
25.5

South Australia weather in

April
19.9

South Australia weather in

May
16.5

South Australia weather in

June
16.6

South Australia weather in

July
18.6

South Australia weather in

August
22.7

South Australia weather in

September
26.7

South Australia weather in

October
29.7

South Australia weather in

November
32.5

South Australia weather in

December