River Neath - M4 Bridge Weather Forecast

    • 11
    • 12

    Light rain

    • 11
    • 14

    Light rain

    • 10
    • 12

    Light rain shower

    • 8
    • 12

    Cloudy

    • 9
    • 11

    Cloudy

    • 10
    • 12

    Light rain shower

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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River Neath - M4 Bridge Temperature Statistics

December Temperature

St-athan (36km)

  • Lowest 5 December, 2025

    1.8 °C

  • Average December

    8.7 °C

  • Highest 1 December, 2025

    13.3 °C

Climate (2020–Present)

St-athan (36km)

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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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