South Australia weather in October 2025

Expect 21°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in South Australia in October. Check more long-term weather averages for South Australia in October before you book your next holiday to South Australia in 2025/2026.

  • 21°C maximum daytime temperature in October in South Australia (Adelaide)21
    21°C max day temperature
  • 8 hours of sunshine per day
  • 9 days with some rainfall in October in South Australia (Adelaide)9
    9 days with some rainfall
  • 10°C minimum night-time temperature in October in South Australia (Adelaide)10
    10°C min night temperature
  • 13 hours of daylight per day in October in South Australia (Adelaide)13
    13 hours of daylight per day
  • No heat & humidity in October in South Australia (Adelaide)0
    No heat & humidity
  • 44 mm monthly rainfall in October in South Australia (Adelaide)44
    44 mm of monthly rainfall
  • UV (maximum) index 7 (High) in October in South Australia (Adelaide)7
    7 (High) UV index
  • 16°C sea temperature in October in South Australia (Adelaide)16
    16°C sea temperature

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The October 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 October. 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 hot is it in South Australia in October?

Daytime temperatures usually reach 21°C in Adelaide, South Australia in October, falling to 10°C at night.

How sunny is it in South Australia in October?

There are normally 8 hours of bright sunshine each day in Adelaide, South Australia in October - that's 63% of daylight hours.

How warm is the sea around South Australia in October?

The average sea temperature around Adelaide, South Australia in October is 16°C.

Does it rain in South Australia in October?

There are usually 9 days with some rain in Adelaide, South Australia in October and the average monthly rainfall is 44mm.

South Australia October sunrise & sunset times

Browse the sunrise and sunset times for South Australia in October 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
Wednesday, 1st October 2025 05:52 18:19
Thursday, 16th October 2025 05:32 18:31
Friday, 31st October 2025 05:15 18:44

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