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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Australia Voice Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Hamilton Island weather is warm and humid year-round, with a tropical climate that brings distinct wet and dry seasons. The live forecast above shows current conditions; expect summer highs around 30°C and winter lows near 20°C, with trade winds keeping things pleasant.
What is the best time to visit Hamilton Island?
The dry season from May to October offers the most comfortable weather, with lower humidity and cooler nights. December to February is the wet season, with higher rainfall and humidity, but still plenty of sunshine. For those checking hamilton island weather january or hamilton island weather december, expect afternoon storms and warm nights.
How does the weather change throughout the year?
Hamilton Island weather by month follows a clear pattern. The wet season (November to March) has daily showers and high humidity. The dry season (April to October) brings stable trade winds, clear skies, and lower humidity. For a hamilton island weather 14 days outlook, the live forecast above is your best guide.
Is Hamilton Island affected by cyclones?
Yes, the cyclone season runs from November to April. The island rarely takes a direct hit, but heavy rain and strong winds can occur. Check the Bureau of Meteorology warnings before travel.
What is the water temperature around Hamilton Island?
Water temperature stays between 22°C and 28°C year-round. It is warmest in February and coolest in August, making swimming and snorkelling possible any time.
Can you get a 21 day weather forecast for Hamilton Island?
Long-range forecasts are available but become less reliable beyond 7 days. The live forecast above shows the latest 7-day outlook. For a 21 day weather forecast hamilton island or hamilton island weather 30 days, look at seasonal averages.
For broader conditions, see our Australia weather hub or check Brisbane Weather for nearby mainland forecasts. If you are planning a trip, also review Severe Weather Warning updates.