Haleakala National Park Weather Forecast

    • 50
    • 69

    Rain Showers

    • 50
    • 68

    Rain Showers

    • 50
    • 68

    Rain Showers

    • 52
    • 70

    Partly Sunny

    • 52
    • 69

    Mostly Cloudy

    • 51
    • 70

    Mostly Cloudy

Today 10 Dec Haleakala Summit

Mostly sunny with isolated Showers. Highs around 60 at the visitor center to around 68 at the summit. Southwest Winds up to 10 Mph increasing to 10 to 15 Mph in the afternoon. Chance of rain 20 percent.

Tonight 10 Dec Haleakala Summit

Partly cloudy. Lows 41 to 52. Southwest Winds 10 to 15 Mph.

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Haleakala National Park Temperature Statistics

December Temperature

Kahului, Kahului Airport (22.4 miles)

  • Lowest 2 December, 2025

    61 °F

  • Average December

    74.5 °F

  • Highest 4 December, 2025

    87.1 °F

Climate (2020–Present)

Kahului, Kahului Airport (22.4 miles)

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  • Average Low 2020–2025

    68.8 °F

  • Average 2020–2025

    76.7 °F

  • Average High 2020–2025

    85.5 °F
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