Blaenavon Weather Forecast

    • 2
    • 6

    Partly cloudy

    • 5
    • 6

    Light rain

    • 7
    • 9

    Heavy rain

    • 5
    • 11

    Light rain

    • 8
    • 10

    Cloudy

    • 8
    • 12

    Heavy rain

    • 6
    • 9

    Cloudy

Today 4 Dec Wales

Heavy rain clearing eastwards this morning. Turning drier behind with some glimmers of sunshine into the afternoon. Winds easing and feeling colder than previous days. Maximum Temperature 9C.

Tonight 4 Dec Wales

Largely dry throughout Thursday evening with clear spells and light winds, allowing patches of frost to form for a time. Cloud building from the west during the early hours with a few showers possible. Minimum Temperature -1C.

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Blaenavon Temperature Statistics

December Temperature

Hereford (39km)

  • Lowest 3 December, 2025

    0 °C

  • Average December

    6.1 °C

  • Highest 1 December, 2025

    12.2 °C

Climate (2020–Present)

Hereford (39km)

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  • Average Low 2020–2025

    6.6 °C

  • Average 2020–2025

    10.8 °C

  • Average High 2020–2025

    14.9 °C
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