Poipu Beach Weather Forecast

    • 71
    • 84

    Rain Showers

    • 71
    • 83

    Rain Showers

    • 71
    • 83

    Rain Showers

    • 69
    • 83

    Partly Sunny

    • 70
    • 83

    Rain Showers

    • 68
    • 82

    Rain Showers

    • 70
    • 82

    Rain Showers

Today 6 Dec Kauai South

Sunny. Highs 78 to 86. East Winds 10 to 15 Mph.

Tonight 6 Dec Kauai South

Mostly cloudy with scattered Showers. Lows around 69. Northeast Winds 10 to 15 Mph. Chance of rain 40 percent.

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Poipu Beach Temperature Statistics

December Temperature

Lihue, Lihue Airport (10.6 miles)

  • Lowest 2 December, 2025

    64.9 °F

  • Average December

    74.4 °F

  • Highest 1 December, 2025

    82 °F

Climate (2020–Present)

Lihue, Lihue Airport (10.6 miles)

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  • Average Low 2020–2025

    71.8 °F

  • Average 2020–2025

    76.5 °F

  • Average High 2020–2025

    82 °F
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