Sydney weather in October 2025

Expect daytime maximum temperatures of 22°C in Sydney in October based on long-term weather averages. There are 8 hours of sunshine per day on average with 11 days with some rainfall and typically 91 mm of rainfall in the month.

  • 22°C maximum daytime temperature in October in Sydney22
    22°C max day temperature
  • 8 hours of sunshine per day
  • 11 days with some rainfall in October in Sydney11
    11 days with some rainfall
  • 14°C minimum night-time temperature in October in Sydney14
    14°C min night temperature
  • 13 hours of daylight per day in October in Sydney13
    13 hours of daylight per day
  • No heat & humidity in October in Sydney0
    No heat & humidity
  • 91 mm monthly rainfall in October in Sydney91
    91 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in October in Sydney8
    8 (Very High) UV index
  • 18°C sea temperature in October in Sydney18
    18°C sea temperature

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The October weather guide for New South Wales (Sydney) 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.

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

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More about Australia

How hot is it in Sydney in October?

Daytime temperatures usually reach 22°C in Sydney in October, falling to 14°C at night.

How sunny is it in Sydney in October?

There are normally 8 hours of bright sunshine each day in Sydney in October - that's 58% of daylight hours.

How warm is the sea around Sydney in October?

The average sea temperature around Sydney in October is 18°C.

Does it rain in Sydney in October?

There are usually 11 days with some rain in Sydney in October and the average monthly rainfall is 91mm.

Sydney October sunrise & sunset times

Browse the sunrise and sunset times for Sydney in October 2025. Select a month to view Sydney sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 05:33 17:58
Thursday, 16th October 2025 05:13 18:09
Friday, 31st October 2025 04:56 18:22

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