Heol-y-Cyw Weather Forecast

    • 3
    • 7

    Cloudy

    • 5
    • 6

    Sunny day

    • 1
    • 6

    Overcast

    • 3
    • 5

    Partly cloudy

    • 4
    • 7

    Cloudy

    • 2
    • 7

    Partly 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.

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Heol-y-Cyw Temperature Statistics

December Temperature

St-athan (16km)

  • Lowest 17 December, 2025

    1 °C

  • Average December

    8.6 °C

  • Highest 9 December, 2025

    15.2 °C

Climate (2020–Present)

St-athan (16km)

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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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