Garneddwen Weather Forecast

    • 4
    • 9

    Light rain shower

    • 6
    • 8

    Cloudy

    • 6
    • 8

    Cloudy

    • 4
    • 8

    Cloudy

    • 3
    • 7

    Cloudy

    • 3
    • 6

    Cloudy

Today 19 Dec Wales

Friday brings a mixture of sunshine and scattered showers, these locally heavy. Fewer showers by the afternoon. Quite mild again but feeling cooler in the breeze, although winds easing later. Maximum Temperature 11C.

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Garneddwen Temperature Statistics

December Temperature

Lake Vyrnwy Saws (26km)

  • Lowest 16 December, 2025

    0.6 °C

  • Average December

    6.6 °C

  • Highest 9 December, 2025

    13 °C

Climate (2020–Present)

Lake Vyrnwy Saws (26km)

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  • Average Low 2020–2025

    6.2 °C

  • Average 2020–2025

    8.9 °C

  • Average High 2020–2025

    11.7 °C
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