Heol-y-Cyw Weather Forecast

    • 8
    • 8

    Heavy rain

    • 9
    • 11

    Heavy rain

    • 8
    • 12

    Heavy rain

    • 10
    • 12

    Light rain shower

    • 10
    • 13

    Heavy rain

    • 9
    • 11

    Light rain shower

Today 5 Dec Wales

Cloud continuing to spill across the country ahead of rain moving eastwards throughout the day, heavy at times. Windy with coastal gales developing. Chilly start but turning milder later. Maximum Temperature 11C.

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Heol-y-Cyw Temperature Statistics

December Temperature

St-athan (16km)

  • Lowest 3 December, 2025

    2.6 °C

  • Average December

    8 °C

  • Highest 1 December, 2025

    13.3 °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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