Lihue, Kauai weather in May 2026

Expect daytime maximum temperatures of 27°C in Lihue, Kauai, Hawaii in May based on long-term weather averages. There are 8 hours of sunshine per day on average with 16 days with some rainfall and typically 53 mm of rainfall in the month.

  • 27°C maximum daytime temperature in May in Lihue, Kauai27
    27°C max day temperature
  • 8 hours of sunshine per day
  • 16 days with some rainfall in May in Lihue, Kauai16
    16 days with some rainfall
  • 21°C minimum night-time temperature in May in Lihue, Kauai21
    21°C min night temperature
  • 13 hours of daylight per day in May in Lihue, Kauai13
    13 hours of daylight per day
  • Moderate heat & humidity in May in Lihue, KauaiM
    Moderate heat & humidity
  • 53 mm monthly rainfall in May in Lihue, Kauai53
    53 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in May in Lihue, Kauai11
    11 (Extreme) UV index
  • 25°C sea temperature in May in Lihue, Kauai25
    25°C sea temperature

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Lihue, Kauai by month

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The May weather guide for Hawaii (Lihue, Kauai) 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 Lihue, Kauai in May?

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

How sunny is it in Lihue, Kauai in May?

There are normally 9 hours of bright sunshine each day in Lihue, Kauai in May - that's 67% of daylight hours.

How warm is the sea around Lihue, Kauai in May?

The average sea temperature around Lihue, Kauai in May is 25°C.

Does it rain in Lihue, Kauai in May?

There are usually 8 days with some rain in Lihue, Kauai in May and the average monthly rainfall is 16mm.

Lihue, Kauai May sunrise & sunset times

Browse the sunrise and sunset times for Lihue, Kauai in May 2026. Select a month to view Lihue, Kauai sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st May 2026 06:06 19:04
Saturday, 16th May 2026 05:58 19:10
Sunday, 31st May 2026 05:54 19:17

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