Our verdict
The best time to visit Hamilton Island is April-June
In summer, the average maximum temperature is around 28℃ (83℉), but temperatures can sometimes reach as high as 29℃ (84℉) on the hottest days of the year. The weather at night in the winter can get down to temperatures as low as 15℃ (60℉).
If you’re a sun-chaser and want to visit Hamilton Island when the days are longest, you should visit in December. The wet season in Hamilton Island falls around March, so if you prefer the dryer weather, you should look to visit in September instead.
To learn everything you need to know (and none of the stuff you don’t) about when to visit Hamilton Island, keep reading below. Plus, you’ll find tools to help you get the best deals on travel and hotels too!
Quick links: Fast facts / Seasons / Average temperatures / Monthly climate / FAQs / Map
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Hamilton Island seasons
Before you continue, it’s important to know when the seasons are in Hamilton Island as they might be different to yours depending on where in the world you’re travelling from. Hamilton Island is in the Southern Hemisphere, so the seasons fall during these months:
| Season | Months |
|---|---|
| Summer | December to February |
| Autumn/fall | March to May |
| Winter | June to August |
| Spring | September to November |
Average temperatures in Hamilton Island
If the temperature is a big factor for you to help you decide when to visit, the chart below shows the average minimum and maximum temperatures in Hamilton Island for each month side-by-side so you can easily see the difference in weather throughout the year. To see the temperatures in both Celsius (°C) and Fahrenheit (°F), hover or tap the shaded boxes on the graph.
Hamilton Island climate by month
If you already have a rough idea about which months you might want to travel, the section below shows a detailed breakdown of the climate in Hamilton Island for each month so you can see if it all suits your wants and needs. Scroll down, or use the quick menu below to jump to your preferred month.
Jump to:
Hamilton Island in January
- Average temperature: 27℃ (81℉)
- Average high temperature: 28℃ (82℉)
- Average low temperature: 27℃ (80℉)
- Average humidity: 77%
- Average sunny days: 6 days
- Average rainfall: 213mm (8") over 22 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Hamilton Island in January, make sure you pack t-shirts and light clothing.
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Hamilton Island in February
- Average temperature: 28℃ (81℉)
- Average high temperature: 28℃ (83℉)
- Average low temperature: 27℃ (80℉)
- Average humidity: 77%
- Average sunny days: 5 days
- Average rainfall: 181mm (7") over 21 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Hamilton Island in February, make sure you pack t-shirts and light clothing.
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Hamilton Island in March
- Average temperature: 27℃ (80℉)
- Average high temperature: 28℃ (81℉)
- Average low temperature: 26℃ (79℉)
- Average humidity: 77%
- Average sunny days: 5 days
- Average rainfall: 227mm (9") over 23 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Hamilton Island in March, make sure you pack t-shirts and light clothing.
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Hamilton Island in April
- Average temperature: 25℃ (78℉)
- Average high temperature: 26℃ (79℉)
- Average low temperature: 25℃ (76℉)
- Average humidity: 76%
- Average sunny days: 8 days
- Average rainfall: 92mm (4") over 20 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Hamilton Island in April, make sure you pack t-shirts and light clothing.
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Hamilton Island in May
- Average temperature: 23℃ (74℉)
- Average high temperature: 24℃ (75℉)
- Average low temperature: 22℃ (72℉)
- Average humidity: 73%
- Average sunny days: 12 days
- Average rainfall: 58mm (2") over 16 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Hamilton Island in May, make sure you pack t-shirts and light clothing.
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Hamilton Island in June
- Average temperature: 21℃ (71℉)
- Average high temperature: 22℃ (72℉)
- Average low temperature: 20℃ (68℉)
- Average humidity: 73%
- Average sunny days: 15 days
- Average rainfall: 32mm (1") over 12 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Hamilton Island in June, make sure you pack t-shirts and maybe a light jumper for the evenings.
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Hamilton Island in July
- Average temperature: 21℃ (69℉)
- Average high temperature: 22℃ (71℉)
- Average low temperature: 20℃ (67℉)
- Average humidity: 73%
- Average sunny days: 18 days
- Average rainfall: 30mm (1") over 10 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Hamilton Island in July, make sure you pack a light jumper or hoodie for the evenings and some light clothes for the daytime.
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Hamilton Island in August
- Average temperature: 21℃ (70℉)
- Average high temperature: 22℃ (71℉)
- Average low temperature: 20℃ (68℉)
- Average humidity: 72%
- Average sunny days: 22 days
- Average rainfall: 13mm (1") over 7 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Hamilton Island in August, make sure you pack a light jumper or hoodie for the evenings and some light clothes for the daytime.
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Hamilton Island in September
- Average temperature: 22℃ (72℉)
- Average high temperature: 23℃ (74℉)
- Average low temperature: 22℃ (71℉)
- Average humidity: 74%
- Average sunny days: 19 days
- Average rainfall: 9mm (0") over 7 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Hamilton Island in September, make sure you pack t-shirts and light clothing.
Hamilton Island in October
- Average temperature: 24℃ (75℉)
- Average high temperature: 24℃ (76℉)
- Average low temperature: 23℃ (74℉)
- Average humidity: 75%
- Average sunny days: 17 days
- Average rainfall: 26mm (1") over 11 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Hamilton Island in October, make sure you pack t-shirts and light clothing.
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Hamilton Island in November
- Average temperature: 25℃ (77℉)
- Average high temperature: 26℃ (79℉)
- Average low temperature: 25℃ (76℉)
- Average humidity: 76%
- Average sunny days: 13 days
- Average rainfall: 50mm (2") over 13 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Hamilton Island in November, make sure you pack t-shirts and light clothing.
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Hamilton Island in December
- Average temperature: 27℃ (80℉)
- Average high temperature: 27℃ (81℉)
- Average low temperature: 26℃ (79℉)
- Average humidity: 76%
- Average sunny days: 9 days
- Average rainfall: 134mm (5") over 17 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Hamilton Island in December, make sure you pack t-shirts and light clothing.
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