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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Aussie Focus Hub Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Check the live forecast above for your travel window, then pack for warm, humid conditions with sudden showers, as Hawaii’s weather stays consistently mild year round.
What is the typical weather pattern in Hawaii?
Hawaii has a tropical climate with steady temperatures and distinct wet and dry seasons. The main variables are elevation and which side of an island you are on.
- Trade winds from the northeast bring moisture, so windward (northeast) coasts—including much of Oahu—are rainier and greener.
- Leeward (southwest) sides, including Waikiki weather zones, are sunnier and drier.
- Daytime highs at sea level hover around 27–32°C year round; nights drop to 21–24°C.
- Rainfall peaks from November to March, but showers are often brief and localised.
How does the weather vary across the Hawaiian Islands?
Each island has microclimates, so conditions can change dramatically within a short drive. Oahu, Maui, Kauai and the Big Island all behave differently.
- Waikiki and Honolulu on Oahu are typically dry and sunny, though the weather in Honolulu 10 days forecast often shows passing showers.
- The weather in Oahu 10 days outlook may differ between the south shore and the rainy north shore.
- Maui’s west coast (Kaanapali) is dry; the Hana Highway side is very wet.
- Volcanoes National Park on the Big Island can be cool (10–15°C) and foggy, even when the coast is hot.
Does Hawaii have a cyclone or hurricane season?
Yes, hurricane season runs from June to November, though direct hits are rare. It is wise to monitor the hawaii weather 21 day forecast during these months for any tropical disturbances.
What is the best time of year to visit Hawaii for good weather?
April, May, September and October offer the best balance: lower humidity, fewer showers, and still warm enough for swimming. The honolulu weather 21 day forecast in these months typically shows stable trade-wind conditions.
Is Hawaii warmer than Australia’s tropical north?
Not significantly—Darwin and Cairns see similar highs. However, Hawaii’s ocean breezes and lower humidity often make it feel more comfortable than a humid Australian summer.
Sources
For broader outlooks, visit our Australia weather hub or check Mauritius Weather for another tropical comparison. All temperatures above are given in Celsius.