Home › Weather › Hamilton Island Weather By Month
Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Aussie Brief 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 has a warm tropical climate year round, with average daily highs between 27°C and 31°C. The live forecast above gives the current conditions, but the real difference is rainfall: a wet summer (December–March) and a dry, milder winter (June–September).
What is the weather like each month?
Summer months (December to February) are hot and humid, with frequent showers and afternoon storms. January and February are the wettest, averaging 180–200 mm of rain each. By March the humidity eases, and April to May sees clear skies and gentle trade winds. Winter (June to August) is dry and pleasant – around 22–25°C for highs, with cool nights. September and October warm up quickly, with low humidity, making them popular months. November brings building heat and humidity before the wet season returns.
When is the best time to visit?
For the most reliable fine weather, aim for May to October. During these months the chance of rain is low, the sea is calm, and temperatures sit comfortably in the mid-20s. If you prefer warmer water for swimming, March to May and September to November offer a good balance of warmth and lower rainfall.
Does it rain a lot on Hamilton Island?
Rainfall varies sharply by season. The wet season (January–March) can bring heavy but short showers. From May to October, expect mostly dry, sunny days with only occasional light drizzle. The island’s rainfall by month shows a clear dry winter.
What is the weather in Hamilton Island in May?
May is one of the best months. Days are warm (around 26°C), nights mild (19°C), and rainfall is low – about 60 mm across the month. The trade winds keep humidity comfortable, and the water is still pleasant for swimming.
Can I get a 10‑day or 30‑day forecast for Hamilton Island?
The live forecast above gives the next few days. For a broader outlook, check the Bureau of Meteorology’s long‑range chart or a dedicated weather site. The weather in Hamilton Island 10 days ahead is generally reliable; a hamilton island weather 30 days view shows broad trends only.
For more insights on the region, see our Australia weather hub or check conditions in Brisbane Weather.