Hamilton Island Weather and Climate: A Comprehensive Guide
Hamilton Island has pretty similar weather over the course of the year.
It is also known for its large amounts of rainfall.
Now, let’s explore all the climate details to give you a full picture.
Average maximum day and minimum night temperature
With minimal seasonal shifts, Hamilton Island experiences a constant climate year-round. Typically, average maximum daytime temperatures range from a comfortable 29°C in February to a comfortable 22°C in the coolest month, July.
Nights are cooler, with lows often dropping to around 19°C during the colder months.Check out our detailed temperature page for more information.
Temperature ranges by month
Precipitation and rainy days
Hamilton Island has a notably wet climate with abundant precipitation, recording 1245 mm of rainfall per year. The climate in Hamilton Island shows significant variation throughout the year. Expect heavy rainfall in February, with an average of 267 mm of precipitation over 13 rainy days.
In contrast, September offers drier and sunnier days, with around 20 mm of rainfall over 4 rainy days. For more details, please visit our Hamilton Island Precipitation page.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
Hamilton Island offers a pleasant mix of sunny and slightly overcast days. The difference in sunshine hours between October (10.2 hours daily) and February (6.8 hours daily) provides a bit of variety for visitors and residents.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The relative humidity is moderate throughout the year in Hamilton Island.
The city experiences its highest humidity in February, reaching 67%. In June, the humidity drops to its lowest level at 51%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Forecast for Hamilton Island
Select a Month of Interest
Check the conditions for any month of the year.
The best time of year to visit Hamilton Island in Australia
During the months of May, June, July, August, September and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
Rainy season in Hamilton Island occurs in the months of January, February and March.
February has an average maximum temperature of 29°C and is the warmest month of the year.
The coldest month is July with an average maximum temperature of 22°C.
February tops the wettest month list with 267 mm of rainfall.
September is the driest month with 20 mm of precipitation.
October is the sunniest month with an average of 305 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
