Llanystumdwy Weather Forecast

    • 10
    • 11

    Cloudy

    • 10
    • 14

    Light rain

    • 9
    • 11

    Sunny day

    • 8
    • 11

    Cloudy

    • 8
    • 10

    Cloudy

    • 9
    • 11

    Cloudy

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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Llanystumdwy Temperature Statistics

December Temperature

Capel Curig Saws (29km)

  • Lowest 4 December, 2025

    3.1 °C

  • Average December

    7.4 °C

  • Highest 1 December, 2025

    12.3 °C

Climate (2020–Present)

Capel Curig Saws (29km)

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  • Average Low 2020–2025

    6.7 °C

  • Average 2020–2025

    9.8 °C

  • Average High 2020–2025

    12.6 °C
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