Waimea Bay, Oahu weather in May 2025

Expect 82°F daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Waimea Bay, Oahu in May. Check more long-term weather averages for Waimea Bay, Oahu in May before you book your next holiday to Hawaii in 2025/2026.

  • 82°F maximum daytime temperature in May in Waimea Bay, Oahu82
    82°F max day temperature
  • 9 hours of sunshine per day
  • 10 days with some rainfall in May in Waimea Bay, Oahu10
    10 days with some rainfall
  • 68°F minimum night-time temperature in May in Waimea Bay, Oahu68
    68°F min night temperature
  • 13 hours of daylight per day in May in Waimea Bay, Oahu13
    13 hours of daylight per day
  • Moderate heat & humidity in May in Waimea Bay, OahuM
    Moderate heat & humidity
  • 3.5 inches monthly rainfall in May in Waimea Bay, Oahu3.5
    3.5 inches of monthly rainfall
  • UV (maximum) index 11 (Extreme) in May in Waimea Bay, Oahu11
    11 (Extreme) UV index
  • 77°F sea temperature in May in Waimea Bay, Oahu77
    77°F sea temperature

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The May weather guide for Hawaii (Waimea Bay, 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)  |  Imperial (°F)

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How hot is it in Waimea Bay, Oahu in May?

Daytime temperatures usually reach 82°F in Waimea Bay, Oahu in May with moderate heat and humidity, falling to 68°F at night.

How sunny is it in Waimea Bay, Oahu in May?

There are normally 9 hours of bright sunshine each day in Waimea Bay, Oahu in May - that's 66% of daylight hours.

How warm is the sea around Waimea Bay, Oahu in May?

The average sea temperature around Waimea Bay, Oahu in May is 77°F.

Does it rain in Waimea Bay, Oahu in May?

There are usually 10 days with some rain in Waimea Bay, Oahu in May and the average monthly rainfall is 3.5 inches.

Waimea Bay, Oahu May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 06:01 18:58
Friday, 16th May 2025 05:53 19:05
Saturday, 31st May 2025 05:49 19:11

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