Hawaii weather in August 2021

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Below are average maximum temperatures at popular destinations in Hawaii in August. Select a destination to see more weather parameters.

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The August weather guide for Hawaii shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

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How hot is it in Hawaii in August?

Daytime temperatures usually reach 30°C in Honolulu, Oahu, Hawaii in August with high heat and humidity, falling to 22°C at night.

How sunny is it in Hawaii in August?

There are normally 9 hours of bright sunshine each day in Honolulu, Oahu, Hawaii in August - that's 73% of daylight hours.

How warm is the sea around Hawaii in August?

The average sea temperature around Honolulu, Oahu, Hawaii in August is 27°C.

Does it rain in Hawaii in August?

There are usually 7 days with some rain in Honolulu, Oahu, Hawaii in August and the average monthly rainfall is 14mm.

What is the chance of a hurricane in Hawaii in August?

On average less than 1 day in August in Honolulu, Oahu, Hawaii is likely to be affected by the passage of one or more tropical storms.

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

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Hawaii sunrise & sunset times for August 2021

Browse the sunrise & sunset times for Hawaii in August 2021. Select a month to view Hawaii sunrise & sunset times for the next twelve months. The Hawaii sunrise & sunset times shown below are for Honolulu, Oahu.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st August 2021 06:05 19:10
Monday, 16th August 2021 06:10 19:00
Tuesday, 31st August 2021 06:15 18:48
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