Kailua, Big Island weather in June 2026

Expect daytime maximum temperatures of 22°C in Kailua, Big Island, Hawaii 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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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 29°C in Kailua, Big Island in June with moderate heat and humidity, falling to 21°C at night.

How sunny is it in Kailua, Big Island in June?

There are normally 9 hours of bright sunshine each day in Kailua, Big Island in June - that's 69% of daylight hours.

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 7 days with some rain in Kailua, Big Island in June and the average monthly rainfall is 7mm.

Kailua, Big Island June sunrise & sunset times

Browse the sunrise and sunset times for Kailua, Big Island in June 2026. Select a month to view Kailua, Big Island sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st June 2026 05:45 18:59
Monday, 15th June 2026 05:45 19:04
Tuesday, 30th June 2026 05:49 19:07

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