Treorchy Weather Forecast

    • 8
    • 17

    Cloudy

    • 8
    • 18

    Cloudy

    • 5
    • 14

    Cloudy

    • 5
    • 13

    Cloudy

    • 6
    • 14

    Cloudy

    • 6
    • 12

    Light rain

Today 8 May Wales

Showers in the west but most places starting dry. Heavier showers developing into the afternoon which can be slow moving in places. Warmer than recent days. Maximum temperature 17 °C.

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Treorchy Temperature Statistics

May Temperature

St-athan (28km)

  • Lowest 2 May, 2026

    7.3 °C

  • Average May

    12 °C

  • Highest 4 May, 2026

    16.9 °C

Climate (2021–Present)

St-athan (28km)

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  • Average Low 2021–2026

    9 °C

  • Average 2021–2026

    11.8 °C

  • Average High 2021–2026

    14.6 °C
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