Haleakala National Park Weather Forecast

    • 52
    • 69

    Partly Sunny

    • 53
    • 69

    Increasing Clouds

    • 52
    • 69

    Mostly Cloudy

    • 52
    • 69

    Rain Showers

    • 51
    • 67

    Rain Showers

    • 51
    • 66

    Mostly Cloudy

    • 50
    • 66

    Mostly Cloudy

Today 18 Dec Haleakala Summit

Mostly sunny with isolated Showers. Highs around 61 at the visitor center to around 66 at the summit. Southwest Winds up to 15 Mph. Chance of rain 20 percent.

Tonight 18 Dec Haleakala Summit

Partly cloudy. Lows around 47 at the visitor center to around 44 at the summit. South Winds up 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

    74.9 °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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