Kailua, Oahu weather in June 2025

Expect 29°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Kailua, Oahu in June. Check more long-term weather averages for Kailua, Oahu in June before you book your next holiday to Hawaii in 2025/2026.

  • 29°C maximum daytime temperature in June in Kailua, Oahu29
    29°C max day temperature
  • 9 hours of sunshine per day
  • 6 days with some rainfall in June in Kailua, Oahu6
    6 days with some rainfall
  • 21°C minimum night-time temperature in June in Kailua, Oahu21
    21°C min night temperature
  • 13 hours of daylight per day in June in Kailua, Oahu13
    13 hours of daylight per day
  • Moderate heat & humidity in June in Kailua, OahuM
    Moderate heat & humidity
  • 27 mm monthly rainfall in June in Kailua, Oahu27
    27 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in June in Kailua, Oahu11
    11+ (Extreme) UV index
  • 25°C sea temperature in June in Kailua, Oahu25
    25°C sea temperature

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Kailua, Oahu by month

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The June weather guide for Hawaii (Kailua, Oahu) 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.

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

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How hot is it in Kailua, Oahu in June?

Daytime temperatures usually reach 29°C in Kailua, Oahu in June with moderate heat and humidity, falling to 21°C at night.

How sunny is it in Kailua, Oahu in June?

There are normally 9 hours of bright sunshine each day in Kailua, Oahu in June - that's 70% of daylight hours.

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

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

Does it rain in Kailua, Oahu in June?

There are usually 6 days with some rain in Kailua, Oahu in June and the average monthly rainfall is 27mm.

Kailua, Oahu June sunrise & sunset times

Browse the sunrise and sunset times for Kailua, Oahu in June 2025. Select a month to view Kailua, Oahu sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st June 2025 05:48 19:10
Sunday, 15th June 2025 05:49 19:15
Monday, 30th June 2025 05:52 19:17

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