Kailua, Big Island weather in June 2025

Expect daytime maximum temperatures of 22°C in Kailua, Big Island in June based on long-term weather averages. There are 15 days with some rainfall and typically 52 mm of rainfall in the month.

  • 22°C maximum daytime temperature in June in Kailua, Big Island22
    22°C max day temperature
  • 15 days with some rainfall in June in Kailua, Big Island15
    15 days with some rainfall
  • 14°C minimum night-time temperature in June in Kailua, Big Island14
    14°C min night temperature
  • 13 hours of daylight per day in June in Kailua, Big Island13
    13 hours of daylight per day
  • Moderate heat & humidity in June in Kailua, Big IslandM
    Moderate heat & humidity
  • 52 mm monthly rainfall in June in Kailua, Big Island52
    52 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in June in Kailua, Big Island11
    11+ (Extreme) UV index
  • 26°C sea temperature in June in Kailua, Big Island26
    26°C sea temperature

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Kailua, Big Island by month

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The June weather guide for Hawaii (Kailua, Big Island) 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, Big Island in June?

Daytime temperatures usually reach 22°C in Kailua, Big Island in June, falling to 14°C at night.

How warm is the sea around Kailua, Big Island in June?

The average sea temperature around Kailua, Big Island in June is 26°C.

Does it rain in Kailua, Big Island in June?

There are usually 15 days with some rain in Kailua, Big Island in June and the average monthly rainfall is 52mm.

Kailua, Big Island June sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st June 2025 05:45 18:59
Sunday, 15th June 2025 05:45 19:04
Monday, 30th June 2025 05:49 19:07

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