Lihue, Kauai weather in August 2025

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

  • 29°C maximum daytime temperature in August in Lihue, Kauai29
    29°C max day temperature
  • 9 hours of sunshine per day
  • 17 days with some rainfall in August in Lihue, Kauai17
    17 days with some rainfall
  • 23°C minimum night-time temperature in August in Lihue, Kauai23
    23°C min night temperature
  • 13 hours of daylight per day in August in Lihue, Kauai13
    13 hours of daylight per day
  • High heat & humidity in August in Lihue, KauaiH
    High heat & humidity
  • 54 mm monthly rainfall in August in Lihue, Kauai54
    54 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in August in Lihue, Kauai11
    11+ (Extreme) UV index
  • 27°C sea temperature in August in Lihue, Kauai27
    27°C sea temperature

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The August 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 August?

Daytime temperatures usually reach 29°C in Lihue, Kauai in August with high heat and humidity, falling to 23°C at night.

How sunny is it in Lihue, Kauai in August?

There are normally 9 hours of bright sunshine each day in Lihue, Kauai in August - that's 66% of daylight hours.

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

The average sea temperature around Lihue, Kauai in August is 27°C.

Does it rain in Lihue, Kauai in August?

There are usually 17 days with some rain in Lihue, Kauai in August and the average monthly rainfall is 54mm.

Lihue, Kauai August sunrise & sunset times

Browse the sunrise and sunset times for Lihue, Kauai in August 2025. Select a month to view Lihue, Kauai sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 06:10 19:17
Saturday, 16th August 2025 06:16 19:07
Sunday, 31st August 2025 06:20 18:54

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