Hamilton Island Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Hamilton Island.
Climate overview of Hamilton Island
Hamilton Island, Queensland, Australia, has a stable climate with little temperature variation across the year. Average daytime temperatures hover around 26°C (79°F), peaking in February at 29°C (84°F) and dipping in July to 22°C (72°F).
The city receives considerable rainfall, with around 1245 mm (49 in) annually. February is the wettest month. It has distinct dry (August to October) and wet (January to March) seasons. October is the sunniest month, averaging 10.2 hours of sunshine per day.
Hamilton Island Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Hamilton Island - and find the best time to visit.
Monthly Temperature in Hamilton Island
With minimal seasonal shifts, Hamilton Island experiences a constant climate year-round. Typically, average maximum daytime temperatures range from a comfortable 29°C (84°F) in February to a comfortable 22°C (72°F) in the coolest month, July.
Nights vary from 26°C (79°F) in February to around 19°C (66°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Hamilton Island
Hamilton Island has a notably wet climate with abundant precipitation, recording 1245 mm (49 in) of rainfall per year. The climate in Hamilton Island shows significant variation throughout the year. Expect heavy rainfall in February, the wettest month, with an average of 267 mm (11 in) of precipitation over 13 rainy days.
In contrast, the driest month September offers drier and sunnier days, with around 20 mm (0.8 in) 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 Hours in Hamilton Island
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
Humidity in Hamilton Island by Month
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
Best Time to Visit Hamilton Island
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, June, July, August, September, October and November
- Warmest weather: January, February, March and December
- Most sunshine: October
- Fewest rainy days: August, September, October and November
- Wettest months: January, February, March, April and December, when rainfall is highest.
- Seasonal pattern: Distinct dry (August to October) and wet (January to March) seasons
Frequently asked questions about the climate in Hamilton Island
What is the best time to visit Hamilton Island?
May, June, July, August, September, October and November typically offer the most optimal weather in Hamilton Island. In contrast, February tends to have less optimal conditions. Hamilton Island has distinct dry (August to October) and wet (January to March) seasons.
What temperatures can I expect in Hamilton Island?
Daytime highs range from 22°C (72°F) in July to 29°C (84°F) in February. Nighttime lows range from 19°C (66°F) to 26°C (79°F). Temperatures stay relatively stable year-round.
How much rain does Hamilton Island get?
Annual rainfall is around 1245 mm (49 in). February is the wettest month with 267 mm (11 in), while September is the driest with 20 mm (0.8 in).
How sunny is Hamilton Island?
Hamilton Island receives around 3,065 hours of sunshine per year. October is the sunniest month with 305 hours, while February is the cloudiest with just 203 hours. Overall, Hamilton Island enjoys abundant sunshine.
Hamilton Island 3-Day Forecast
Hamilton Island on the map
Hamilton Island is highlighted - select any city to see its climate.
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