Hawaii weather averages

Going to Hawaii? Find the best month to visit Hawaii based on the weather.

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Check Hawaii weather averages before you book your next holiday in 2018/2019. Today's maximum temperature in Hawaii is expected to be 30°C, while the average maximum temperature in July is 29°C. The holiday weather guide shown above is for Honolulu, Oahu.

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Metric (°C / mm)  |  Imperial (°F / inches)

Hawaii weather averages: best month

Hawaii Best month Averages
Warmest August & September 30°C
Sunniest July 10 hours per day
Least rain June & August 7 days
Warmest sea August, September & October 27°C

Hawaii climate guide

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Hawaii weather overview

These mountainous islands, America's 50th state, lie in the centre of the Pacific Ocean, five hours' flying time from mainland United States. Their tropical oceanic climate, tempered by trade winds, has combined with spectacular scenery and colourful traditions to create phenomenal growth in tourism over the past three decades.

The south and west coasts of the islands - where most holiday resorts are located - receive a lot of sunshine tempered by sporadic rain throughout the year. There is a rainy season from December to March though, ironically, the tourism high season, when the scenery is at its most lush and long, hot days break up the rainy spells.

On the islands' mountainous northeast coasts it's a different story: these are exposed to the full force of the Pacific trade winds and experience much heavier rainfall.

The mountains of Kauai house one of the wettest places on earth. Cyclones can hit the islands from May to November but these are comparatively rare. Temperatures are high throughout the year but never excessive, as humidity levels are manageable.

What to pack for Hawaii weather

Pack light clothes with cover-ups for the winter months.

Tropical storm risk: Hawaii hurricane season

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The Hawaii tropical storm risk chart above shows the hurricane season for Honolulu, Oahu, Hawaii.

More about tropical storms

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Hawaii weather averages by month

Check Hawaii holiday weather averages for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

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Compare Hawaii weather with the USA

Below the Hawaii weather chart shows maximum daytime temperature for Hawaii, USA (Honolulu, Oahu) and the USA (Washington). For more weather parameters or to change the destinations shown visit the comparison weather tool.

Maximum daytime temperature (°C)

Hawaii, USA (Honolulu, Oahu)
USA (Washington)
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Metric (°C / mm)  |  Imperial (°F / inches)

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More Hawaii destinations

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Can't see your chosen destination? Use our A to Z search to find your required the holiday weather guide:

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