Merthyr Tydfil Weather Forecast

    • 19
    • 31

    Sunny day

    • 22
    • 32

    Sunny day

    • 20
    • 33

    Sunny day

    • 16
    • 23

    Sunny day

    • 15
    • 22

    Light rain shower

    • 12
    • 18

    Light rain shower

    • 11
    • 18

    Cloudy

Today 23 Jun Wales

Very hot and humid on Tuesday with strong sunshine and light winds. High humidity will intensify the heat making it feel uncomfortable. Maximum temperature 34 °C.

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Merthyr Tydfil Temperature Statistics

June Temperature

Sennybridge (38km)

  • Lowest 14 June, 2026

    6.2 °C

  • Average June

    13.3 °C

  • Highest 21 June, 2026

    23.2 °C

Climate (2021–2026)

Sennybridge (38km)

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  • Average Low 2021–2026

    5.7 °C

  • Average 2021–2026

    9.4 °C

  • Average High 2021–2026

    12.8 °C
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