Climate and monthly weather forecast
Hamilton Island, Australia

Hilly surroundings overlooking the beautiful blue waters and white sands of the glorious Hamilton Island in Queensland, Australia
Hilly surroundings overlooking the beautiful blue waters and white sands of the glorious Hamilton Island in Queensland, Australia

The best time to visit Hamilton Island

October is the best period for swimming and other water activities in Hamilton Island, Australia, as the sea temperature is 25°C (77°F), the rain falls for only 5 days, and 47mm (1.85") of rainfall is accumulated.

Weather in January

January, the same as December, in Hamilton Island, Australia, is a hot summer month, with an average temperature fluctuating between 23°C (73.4°F) and 31°C (87.8°F). January and December, with an average high-temperature of 31°C (87.8°F), are the warmest months. In Hamilton Island, during 12 rainfall days, 280mm (11.02") of precipitation is typically accumulated. Weather in January »

Weather in February

February, the last month of the summer in Hamilton Island, is also a hot month, with an average temperature ranging between min 23°C (73.4°F) and max 30°C (86°F). In February, the average high-temperature is practically the same as in January - a still hot 30°C (86°F). Weather in February »

Weather in March

March, the first month of the autumn in Hamilton Island, is still a warm month, with temperature in the range of an average high of 29°C (84.2°F) and an average low of 22°C (71.6°F). In March, the average high-temperature is practically the same as in February - a warm 29°C (84.2°F). Weather in March »

Weather in April

April, the same as March, is another warm autumn month in Hamilton Island, Australia, with an average temperature ranging between min 20°C (68°F) and max 28°C (82.4°F). In Hamilton Island, the average high-temperature in April is almost the same as in March - a still moderately hot 28°C (82.4°F). Weather in April »

Weather in May

The last month of the autumn, May, is another warm month in Hamilton Island, Australia, with an average temperature fluctuating between 17°C (62.6°F) and 25°C (77°F). In Hamilton Island, the average high-temperature in May slightly decreases from 28°C (82.4°F) in April to a still moderately hot 25°C (77°F). Weather in May »

Weather in June

The first month of the winter, June, is still a warm month in Hamilton Island, Australia, with temperature in the range of an average high of 23°C (73.4°F) and an average low of 14°C (57.2°F). The coldest months are June and July, with an average high-temperature of 23°C (73.4°F). Weather in June »

Weather in July

July, like June, in Hamilton Island, Australia, is another warm winter month, with temperature in the range of an average low of 13°C (55.4°F) and an average high of 23°C (73.4°F). June and July, with an average high-temperature of 23°C (73.4°F), are the coldest months. Weather in July »

Weather in August

The last month of the winter, August, is another warm month in Hamilton Island, Australia, with temperature in the range of an average high of 24°C (75.2°F) and an average low of 15°C (59°F). In Hamilton Island, the average high-temperature in August is almost the same as in July - a still warm 24°C (75.2°F). Weather in August »

Weather in September

The first month of the spring, September, is also a moderately hot month in Hamilton Island, Australia, with an average temperature fluctuating between 26°C (78.8°F) and 17°C (62.6°F). In Hamilton Island, Australia, the average high-temperature in September is practically the same as in August - a still moderately hot 26°C (78.8°F). Weather in September »

Weather in October

October, like September, in Hamilton Island, Australia, is another warm spring month, with an average temperature varying between 19°C (66.2°F) and 28°C (82.4°F). The perfect water temperature of 25°C (77°F) with 47mm (1.85") of accumulated rainfall and only 5 rainfall days, makes October a great period for swimming and other water activities. Weather in October »

Weather in November

November, the last month of the spring in Hamilton Island, is a hot month, with temperature in the range of an average high of 30°C (86°F) and an average low of 22°C (71.6°F). In Hamilton Island, the average high-temperature in November is almost the same as in October - a hot 30°C (86°F). Weather in November »

Weather in December

The first month of the summer, December, is still a tropical month in Hamilton Island, Australia, with an average temperature varying between 31°C (87.8°F) and 23°C (73.4°F). The warmest months are January and December, with an average high-temperature of 31°C (87.8°F). In Hamilton Island, Australia, during December, the rain falls for 9 days and regularly aggregates up to 170mm (6.69") of precipitation. Weather in December »
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FAQ

What are the warmest months in Hamilton Island?

January and December, with an average high-temperature of 31°C (87.8°F), are warmest months in Hamilton Island, Australia.

How much does it rain in Hamilton Island?

In Hamilton Island, during the entire year, the rain falls for 99 days and collects up to 1626mm (64.02") of precipitation.

When is the sea warmest in Hamilton Island?

The months with the warmest seawater in Hamilton Island are January through March, with an average sea temperature of 28°C (82.4°F).

When is the highest UV index in Hamilton Island?

January through March, October through December, with an average maximum UV index of 12, are months with the highest UV index in Hamilton Island, Australia.

What is the month with the least sunshine in Hamilton Island?

February through July, with an average of 7h of sunshine, are months with the least sunshine in Hamilton Island.

What is the wettest month in Hamilton Island?

The month with the most rainfall in Hamilton Island, Australia, is March, when the rain falls for 12 days and typically aggregates up to 322mm (12.68") of precipitation.

What is the coldest month in Hamilton Island?

June and July, with an average high-temperature of 23°C (73.4°F), are the coldest months in Hamilton Island, Australia.

What is the month with the shortest days in Hamilton Island?

The month with the shortest days is June, with an average of 10h and 55min of daylight.

When is the lowest UV index in Hamilton Island?

The months with the lowest UV index are June and July, with an average maximum UV index of 6.

When is the sea coldest in Hamilton Island?

July and August, with an average sea temperature of 22°C (71.6°F), are months with the coldest seawater.

What is the driest month in Hamilton Island?

September is the month with the least rainfall in Hamilton Island, Australia. Rain falls for 4 days and accumulates 18mm (0.71") of precipitation.

What month has the most sunshine in Hamilton Island?

With an average of 10h of sunshine, October has the most sunshine of the year in Hamilton Island, Australia.

When are the longest days in Hamilton Island?

December has the longest days of the year, with an average of 13h and 20min of daylight.

Is there Daylight Saving Time (DST) in Hamilton Island?

Hamilton Island, Australia, does not utilize Daylight Saving Time (DST). AEST timezone is used over the entire year.

Average temperature
Hamilton Island, Australia

Average temperature - Hamilton Island, Australia

The warmest months (with the highest average high temperature) are January and December (31°C).
The months with the lowest average high temperature are June and July (23°C).

The months with the highest average low temperature are January, February and December (23°C).
The coldest month (with the lowest average low temperature) is July (13°C).

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Average rainfall
Hamilton Island, Australia

Average rainfall - Hamilton Island, Australia

The wettest month (with the highest rainfall) is March (322mm).
The driest month (with the least rainfall) is September (18mm).

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Average rainfall days
Hamilton Island, Australia

Average rainfall days - Hamilton Island, Australia

The month with the highest number of rainy days is February (13 days).
The month with the least rainy days is September (4 days).

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Average sea temperature
Hamilton Island, Australia

Average sea temperature - Hamilton Island, Australia

The best months for swimming (with the highest average sea temperature) are January, February and March (28°C).
The coldest months (with the lowest average sea temperature) are July and August (22°C).

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Average daylight / Average sunshine
Hamilton Island, Australia

Average daylight / Average sunshine - Hamilton Island, Australia

The month with the longest days is December (Average daylight: 13h and 20min).
The month with the shortest days is June (Average daylight: 10h and 55min).

The month with the most sunshine is October (Average sunshine: 10h).
The months with the least sunshine are February, March, April, May, June and July (Average sunshine: 7h).

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Average UV index
Hamilton Island, Australia

Average UV index - Hamilton Island, Australia

The months with the highest UV index are January, February, March, October, November and December (UV index 12).
The months with the lowest UV index are June and July (UV index 6).

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