Hamilton Island – Image courtesy of Tourism Queensland
Best time to visit Hamilton Island
For the best weather visit Hamilton Island anytime from May to November.
Hamilton Island enjoys a year round tropical climate of hot, wet summers and warm, dry winters with a pleasant spring and autumn.
Hamilton Island Weather
You can expect tropical rain showers from December through May, with February the wettest month. The wet 'green' season last from January to March and is generally hot, wet and humid. The dry months are from August to October.
Summer, from December to February, sees an average high of 30°C (86°F) and an average low of 24°C (75°F).
Autumn, from March to May, averages a high of 29°C (84°F) and a low of 21°C (70°F).
Winter, from June through August, averages a high of 23°C (73°F) and a low of 18°C (64°F).
Spring, September through November, averages a high of 29°C (84°F) and a low of 22°C (71°F).
Seawater temperatures average 23°C (73°F) in winter and 28°C (82°F) in summer. You can swim year round.
The seasonal trade winds are stronger from May to August, however you can expect sailing breezes virtually every day.
Seasons
High season: Typically, school and public holidays from late December to the end of January, Easter, from late June to early July and from late September to early October. Winter, from June through August, is also popular.
Low season: Any time outside the main school and public holiday periods.
Hamilton Island – Monthly Weather
| J | F | M | A | M | J | J | A | S | O | N | D | |
| Ave Temp (°C) | 27 | 27 | 26 | 25 | 23 | 20 | 20 | 20 | 22 | 24 | 26 | 27 |
| Ave High Temp (°C) | 31 | 30 | 29 | 28 | 26 | 23 | 23 | 24 | 26 | 27 | 29 | 30 |
| Ave Low Temp (°C) | 25 | 25 | 24 | 23 | 20 | 17 | 17 | 17 | 19 | 21 | 23 | 24 |
| Sunshine (Hrs daily) | 9 | 7 | 7 | 7 | 7 | 7 | 7 | 9 | 9 | 10 | 9 | 9 |
| Daylight (Hrs daily) | 13 | 13 | 12 | 12 | 11 | 11 | 11 | 11 | 12 | 13 | 13 | 13 |
| Comfort Level |  |
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| Ave Humidity (%) | 76 | 78 | 77 | 76 | 80 | 82 | 81 | 76 | 71 | 70 | 71 | 73 |
| UV Index | 11 | 11 | 11 | 10 | 7 | 6 | 6 | 8 | 10 | 11 | 11 | 11 |
| Days with some Rain | 12 | 14 | 15 | 14 | 13 | 9 | 6 | 5 | 4 | 5 | 6 | 8 |
| Ave Rainfall (mm) | 200 | 295 | 220 | 140 | 120 | 50 | 40 | 25 | 15 | 40 | 60 | 120 |
| Sea Temp (°C) | 28 | 28 | 28 | 27 | 25 | 23 | 22 | 22 | 23 | 25 | 26 | 27 |
| (Hamilton Island, Queensland) | J | F | M | A | M | J | J | A | S | O | N | D |
Note: Meteorological data is sourced from the United States National Oceanic and Atmospheric Administration (NOAA) and the World Meteorological Organization (WMO), with additional historical climate data sourced from the Bureau of Meteorology in Australia.
More about Hamilton Island…
More about the Whitsundays…
Latest update: Best time to visit Hamilton Island: 5 June, 2019
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