Llanystumdwy Weather Forecast

    • 2
    • 6

    Sunny day

    • 2
    • 6

    Cloudy

    • 0
    • 6

    Overcast

    • 4
    • 6

    Overcast

    • 5
    • 8

    Cloudy

    • 3
    • 7

    Light rain

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    Cloudy

Today 28 Dec Wales

Rather cloudy for most, with occasional bright or sunny intervals possible. Perhaps more generally sunny at times in some western areas. Slightly breezy but not as windy as on Saturday. Maximum Temperature 7C.

Tonight 28 Dec Wales

Fairly cloudy in many places this evening but increasingly prolonged clear periods developing overnight. Patchy mist and freezing fog developing later and turning cold with a frost developing in places. Minimum Temperature -1C.

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Llanystumdwy Temperature Statistics

December Temperature

Capel Curig Saws (29km)

  • Lowest 27 December, 2025

    1.2 °C

  • Average December

    7.3 °C

  • Highest 9 December, 2025

    15 °C

Climate (2020–Present)

Capel Curig Saws (29km)

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  • Average Low 2020–2025

    6.8 °C

  • Average 2020–2025

    9.8 °C

  • Average High 2020–2025

    12.6 °C
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