Byron Bay weather in August 2025

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

  • 21°C maximum daytime temperature in August in Byron Bay21
    21°C max day temperature
  • 8 hours of sunshine per day
  • 9 days with some rainfall in August in Byron Bay9
    9 days with some rainfall
  • 10°C minimum night-time temperature in August in Byron Bay10
    10°C min night temperature
  • 11 hours of daylight per day in August in Byron Bay11
    11 hours of daylight per day
  • No heat & humidity in August in Byron Bay0
    No heat & humidity
  • 93 mm monthly rainfall in August in Byron Bay93
    93 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in August in Byron Bay5
    5 (Moderate) UV index
  • 20°C sea temperature in August in Byron Bay20
    20°C sea temperature

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The August weather guide for New South Wales (Byron Bay) 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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How hot is it in Byron Bay in August?

Daytime temperatures usually reach 21°C in Byron Bay in August, falling to 10°C at night.

How sunny is it in Byron Bay in August?

There are normally 8 hours of bright sunshine each day in Byron Bay in August - that's 73% of daylight hours.

How warm is the sea around Byron Bay in August?

The average sea temperature around Byron Bay in August is 20°C.

Does it rain in Byron Bay in August?

There are usually 9 days with some rain in Byron Bay in August and the average monthly rainfall is 93mm.

Byron Bay August sunrise & sunset times

Browse the sunrise and sunset times for Byron Bay in August 2025. Select a month to view Byron Bay sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 06:29 17:15
Saturday, 16th August 2025 06:17 17:23
Sunday, 31st August 2025 06:01 17:31

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