Merthyr Tydfil Weather Forecast

    • -2
    • 9

    Light rain

    • 2
    • 5

    Partly cloudy

    • 2
    • 7

    Heavy rain

    • 4
    • 7

    Light rain shower

    • 4
    • 7

    Cloudy

    • 4
    • 6

    Cloudy

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Merthyr Tydfil Temperature Statistics

January Temperature

Sennybridge (38km)

  • Lowest 5 January, 2026

    -9.5 °C

  • Average January

    1.3 °C

  • Highest 11 January, 2026

    10.6 °C

Climate (2021–Present)

Sennybridge (38km)

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  • Average Low 2021–2026

    5.5 °C

  • Average 2021–2026

    9.2 °C

  • Average High 2021–2026

    12.7 °C
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