Hamilton Island weather in August 2025

Expect 24°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Hamilton Island in August. Check more long-term weather averages for Hamilton Island in August before you book your next holiday to Queensland in 2025/2026.

  • 24°C maximum daytime temperature in August in Hamilton Island24
    24°C max day temperature
  • 9 hours of sunshine per day
  • 6 days with some rainfall in August in Hamilton Island6
    6 days with some rainfall
  • 15°C minimum night-time temperature in August in Hamilton Island15
    15°C min night temperature
  • 11 hours of daylight per day in August in Hamilton Island11
    11 hours of daylight per day
  • No heat & humidity in August in Hamilton Island0
    No heat & humidity
  • 34 mm monthly rainfall in August in Hamilton Island34
    34 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in August in Hamilton Island8
    8 (Very High) UV index
  • 21°C sea temperature in August in Hamilton Island21
    21°C sea temperature

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The August weather guide for Queensland (Hamilton Island) 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 Hamilton Island in August?

Daytime temperatures usually reach 24°C in Hamilton Island in August, falling to 15°C at night.

How sunny is it in Hamilton Island in August?

There are normally 9 hours of bright sunshine each day in Hamilton Island in August - that's 77% of daylight hours.

How warm is the sea around Hamilton Island in August?

The average sea temperature around Hamilton Island in August is 21°C.

Does it rain in Hamilton Island in August?

There are usually 6 days with some rain in Hamilton Island in August and the average monthly rainfall is 34mm.

Hamilton Island August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 06:35 17:47
Saturday, 16th August 2025 06:26 17:52
Sunday, 31st August 2025 06:14 17:55

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