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.

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?

Hamilton Island weather in August

Temperature icon High Temp: 23°C (73°F)
temperature icon Low Temp: 18°C (64°F)
sun icon Sunshine: 9 hours per day
Moderately hot icon
Daylight: 11 hours per day
wind icon Wind speed: 23 km/h (14 mph; 12 knots)
umbrella icon Wet Days: 3 days with some rain
rain cloud Rainfall: 14mm (‹1in) per month
Low heat icon Comfort Level: Low heat & 79% humidity
Moderately hot icon
UV Index: High
swimming icon 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

Note: Meteorological data for Hamilton Island is based on weather statistics gathered for the 30-year period 1991 to 2020, and is sourced from the Bureau of Meteorology (BoM) at the closest weather station, Hamilton Island Airport (HTI), also known as Great Barrier Reef Airport. Additional climate data is sourced from the World Meteorological Organization (WMO).

Advice on the best time to visit a particular destination 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.

Latest update: Hamilton Island weather in August: 28 September, 2023

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.