Garth Weather Forecast

    • 5
    • 9

    Cloudy

    • 3
    • 7

    Partly cloudy

    • 8
    • 9

    Light rain

    • 7
    • 10

    Light rain shower

    • 7
    • 11

    Light rain

    • 9
    • 11

    Light rain

Today 3 Dec Wales

A dry start in the east, though showers continue for coastal regions, these spreading east through the morning. Turning increasingly cloudy and breezy later ahead of a rain band overnight. Maximum Temperature 10C.

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Garth Temperature Statistics

December Temperature

St-athan (25km)

  • Lowest 2 December, 2025

    8.1 °C

  • Average December

    10 °C

  • Highest 1 December, 2025

    13.3 °C

Climate (2020–Present)

St-athan (25km)

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  • Average Low 2020–2025

    8.8 °C

  • Average 2020–2025

    11.7 °C

  • Average High 2020–2025

    14.5 °C
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