New South Wales weather in August 2025

Expect 18°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in New South Wales in August. Check more long-term weather averages for New South Wales in August before you book your next holiday to New South Wales in 2025/2026.

  • 18°C maximum daytime temperature in August in New South Wales (Sydney)18
    18°C max day temperature
  • 7 hours of sunshine per day
  • 10 days with some rainfall in August in New South Wales (Sydney)10
    10 days with some rainfall
  • 9°C minimum night-time temperature in August in New South Wales (Sydney)9
    9°C min night temperature
  • 11 hours of daylight per day in August in New South Wales (Sydney)11
    11 hours of daylight per day
  • No heat & humidity in August in New South Wales (Sydney)0
    No heat & humidity
  • 96 mm monthly rainfall in August in New South Wales (Sydney)96
    96 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in August in New South Wales (Sydney)4
    4 (Moderate) UV index
  • 17°C sea temperature in August in New South Wales (Sydney)17
    17°C sea temperature

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The August 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.

Top New South Wales destinations

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

All New South Wales destinations

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

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More about Australia

How hot is it in New South Wales in August?

Daytime temperatures usually reach 18°C in Sydney, New South Wales in August, falling to 9°C at night.

How sunny is it in New South Wales in August?

There are normally 7 hours of bright sunshine each day in Sydney, New South Wales in August - that's 67% of daylight hours.

How warm is the sea around New South Wales in August?

The average sea temperature around Sydney, New South Wales in August is 17°C.

Does it rain in New South Wales in August?

There are usually 10 days with some rain in Sydney, New South Wales in August and the average monthly rainfall is 96mm.

New South Wales August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 06:48 17:16
Saturday, 16th August 2025 06:33 17:26
Sunday, 31st August 2025 06:15 17:37

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