Caerdeon Weather Forecast

    • 9
    • 9

    Partly cloudy

    • 9
    • 10

    Heavy rain

    • 5
    • 10

    Heavy rain

    • 4
    • 8

    Cloudy

    • 8
    • 10

    Heavy rain

    • 7
    • 10

    Cloudy

Today 13 Dec Wales

Bright to begin the weekend, though sunshine turning hazier through the day as cloud builds. Winds strengthening with coastal gales developing around Anglesey by evening. Dry during daylight hours. Maximum Temperature 11C.

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Caerdeon Temperature Statistics

December Temperature

Lake Vyrnwy Saws (36km)

  • Lowest 5 December, 2025

    1.2 °C

  • Average December

    7 °C

  • Highest 9 December, 2025

    13 °C

Climate (2020–Present)

Lake Vyrnwy Saws (36km)

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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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