Thorn Island Weather Forecast

    • 12
    • 13

    Cloudy

    • 11
    • 14

    Cloudy

    • 11
    • 12

    Partly cloudy

    • 9
    • 12

    Cloudy

    • 9
    • 11

    Cloudy

    • 10
    • 12

    Light rain shower

Today 8 Dec Wales

Any heavy showers clearing quickly to leave a generally brighter day. Occasional showers are still possible, but most places staying dry. Turning cloudier later with winds easing. Another mild day. Maximum Temperature 12C.

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Thorn Island Temperature Statistics

December Temperature

Milford Haven C.b. (4km)

  • Lowest 4 December, 2025

    5.6 °C

  • Average December

    9.8 °C

  • Highest 1 December, 2025

    12.6 °C

Climate (2020–Present)

Milford Haven C.b. (4km)

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  • Average Low 2020–2025

    9.2 °C

  • Average 2020–2025

    11.7 °C

  • Average High 2020–2025

    14.2 °C
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