Kailua, Oahu weather in May 2021

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  • 28°C maximum daytime temperature in May in Kailua, Oahu28
    28°C max day temperature
  • 9 hours of sunshine per day
  • 8 days with some rainfall in May in Kailua, Oahu8
    8 days with some rainfall
  • 20°C minimum night-time temperature in May in Kailua, Oahu20
    20°C min night temperature
  • 13 hours of daylight per day in May in Kailua, Oahu13
    13 hours of daylight per day
  • Moderate heat & humidity in May in Kailua, OahuM
    Moderate heat & humidity
  • 35 mm monthly rainfall in May in Kailua, Oahu35
    35 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in May in Kailua, Oahu11
    11 (Extreme) UV index
  • 25°C sea temperature in May in Kailua, Oahu25
    25°C sea temperature
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The May weather guide for Kailua, Oahu, 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 Kailua, Oahu in May?

Daytime temperatures usually reach 28°C in Kailua, Oahu in May with moderate heat and humidity, falling to 20°C at night.

How sunny is it in Kailua, Oahu in May?

There are normally 9 hours of bright sunshine each day in Kailua, Oahu in May - that's 68% of daylight hours.

How warm is the sea around Kailua, Oahu in May?

The average sea temperature around Kailua, Oahu in May is 25°C.

Does it rain in Kailua, Oahu in May?

There are usually 8 days with some rain in Kailua, Oahu in May and the average monthly rainfall is 35mm.

Kailua, Oahu sunrise & sunset times for May 2021

Browse the sunrise & sunset times for Kailua, Oahu in May 2021. Select a month to view Kailua, Oahu sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st May 2021 06:00 18:57
Sunday, 16th May 2021 05:52 19:03
Monday, 31st May 2021 05:48 19:09
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Metric (°C / mm)  |  Imperial (°F / inches)

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Where is hot in Hawaii in May for 2021/2022?

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

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