Galliano Weather Forecast

    • 75
    • 86

    Chance Thunderstorms

    • 73
    • 84

    Rain Showers

    • 75
    • 86

    Chance Thunderstorms

    • 74
    • 87

    Chance Thunderstorms

    • 74
    • 85

    Chance Thunderstorms

    • 72
    • 85

    Chance Thunderstorms

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Galliano Temperature Statistics

May Temperature

Galliano, South Lafourche Airport (1.9 miles)

  • Lowest 4 May, 2026

    48.7 °F

  • Average May

    74.4 °F

  • Highest 14 May, 2026

    87.1 °F

Climate (2021–Present)

Galliano, South Lafourche Airport (1.9 miles)

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  • Average Low 2021–2026

    64.3 °F

  • Average 2021–2026

    72.5 °F

  • Average High 2021–2026

    80.1 °F
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