Hamilton Island weather in August
August is an excellent time to visit Hamilton Island.
You can expect clear, sunny blue skies, pleasantly cool daily temperatures and little or no rain.
How hot is it in Hamilton Island in August?
Daytime temperatures usually reach 23°C (73°F) in Hamilton Island in August with low heat and humidity, falling to 18°C (64°F) at night.
What does the humidity feel like in Hamilton Island in August?
The average dew point temperature in Hamilton Island in August is 16°C (60°F), which feels comfortable.
There are on average five days in August that may feel huymid.
What does the humidity feel like in Hamilton Island in August?
The average dew point temperature in Hamilton Island in August is 16°C (60°F), which starts to feel uncomfortable.
There are on average five days in August that may feel muggy.
How sunny is it in Hamilton Island in August?
There are normally nine hours of bright sunshine each day in Hamilton Island in August – that's around 81% of daylight hours.
Sunrise & sunset in August?
Sunrise is around 6:15am with sunset around 6pm.
How warm is the sea around Hamilton Island in August?
The average sea temperature around Hamilton Island in August is 22°C (72°F), which is cool for swimming in comfort.
Does it rain in Hamilton Island in August?
There are usually three days with some rain in Hamilton Island in August and the average monthly rainfall is 14mm (‹1in).
How windy is it in Hamilton Island in August?
August sees an average wind speed of 23km/h (14 mph; 12 knots). The predominant wind direction is from the south-east and east.
What to do in Hamilton Island in August?
August is perfect for exploring the island’s beaches and hiking trails, as well as swimming, snorkelling (if a little cool), scuba diving and sailing.
While you can sail all year round at Hamilton Island, August to November is considered the most settled time of year for sailing in the Whitsundays.
Don’t miss getting out to watch the annual offshore sailing regatta – the Audi Hamilton Island Race Week.
Local holidays?
None.
Hamilton Island weather in August
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High Temp: 23°C (73°F) |
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Low Temp: 18°C (64°F) |
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Sunshine: 9 hours per day |
11
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Daylight: 11 hours per day |
 |
Wet Days: 3 days with some rain |
 |
Rainfall: 14 mm (≤ 1in) per month |
 |
Comfort Level: Low heat; 79% relative humidity |
|
Dew Point: 16°C (60°F) – Comfortable |
8
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UV Index: High |
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Wind speed: 23 km/h (14 mph; 12 knots) |
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Sea Temp: 22°C (72°F) |
| Hamilton Island, Whitsundays | |
Best time to visit Hamilton Island
For the best weather visit Hamilton Island anytime between May and November. Late March through December are considered the best holiday months to visit Hamilton.
› Hamilton Island Weather Overview
Hamilton Island weather by month
Climate source: Meteorological data for Hamilton Island is based on weather statistics gathered for the 30-year period 1991 to 2020 by the Bureau of Meteorology (BoM) from the closest weather station: Hamilton Island Airport (HTI), also known as Great Barrier Reef Airport.
Advice on the best time to visit Hamilton Island is based on average local weather statistics, when the weather conditions are generally better than at other times of the year. We consider high and low temperatures, risk of rain (and thunderstorms, etc.), amount of sunshine and sea temperature. For general outdoor activities we favour clear, rainless days with a temperature range between 18°C (64°F) and 27°C (80°F); and for hot-weather activities we favour clear, rainless days with a temperature range between 24°C (75°F) and 32°C (89°F). Often, the best times to visit correspond to high season and therefore involve higher prices. Dew point temperature measures moisture content in the atmosphere: a higher dew point feels more humid, while a lower dew point feels drier.
Latest update: Hamilton Island weather in August: 18 April, 2025
Disclaimer: The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data and conditions at any given location and time are unpredictable and variable. We assume no responsibility and can not be held legally responsible for any decisions made on the basis of the information presented on this site.
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