South Australia weather in August 2025

Expect 16°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in South Australia in August. Check more long-term weather averages for South Australia in August before you book your next holiday to South Australia in 2025/2026.

  • 16°C maximum daytime temperature in August in South Australia (Adelaide)16
    16°C max day temperature
  • 6 hours of sunshine per day
  • 9 days with some rainfall in August in South Australia (Adelaide)9
    9 days with some rainfall
  • 7°C minimum night-time temperature in August in South Australia (Adelaide)7
    7°C min night temperature
  • 11 hours of daylight per day in August in South Australia (Adelaide)11
    11 hours of daylight per day
  • No heat & humidity in August in South Australia (Adelaide)0
    No heat & humidity
  • 63 mm monthly rainfall in August in South Australia (Adelaide)63
    63 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in August in South Australia (Adelaide)4
    4 (Moderate) UV index
  • 13°C sea temperature in August in South Australia (Adelaide)13
    13°C sea temperature

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The August weather guide for South Australia (Adelaide) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Top South Australia destinations

Below are average maximum temperatures at popular countries, regions and places in South Australia in August. Select a holiday destination to see more weather parameters.

All South Australia destinations

Metric (°C / mm)  |  Imperial (°F / inches)

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More about Australia

How warm is it in South Australia in August?

Daytime temperatures usually reach 16°C in Adelaide, South Australia in August, falling to 7°C at night.

How sunny is it in South Australia in August?

There are normally 6 hours of bright sunshine each day in Adelaide, South Australia in August - that's 53% of daylight hours.

How warm is the sea around South Australia in August?

The average sea temperature around Adelaide, South Australia in August is 13°C.

Does it rain in South Australia in August?

There are usually 9 days with some rain in Adelaide, South Australia in August and the average monthly rainfall is 63mm.

South Australia August sunrise & sunset times

Browse the sunrise and sunset times for South Australia in August 2025. Select a month to view South Australia sunrise and sunset times for the next 12 months. The South Australia sunrise and sunset times shown below are for Adelaide.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 07:10 17:34
Saturday, 16th August 2025 06:55 17:45
Sunday, 31st August 2025 06:36 17:56

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