Trevethin Weather Forecast

    • 10
    • 21

    Sunny day

    • 11
    • 22

    Light rain shower

    • 9
    • 19

    Light rain shower

    • 7
    • 20

    Sunny day

    • 7
    • 19

    Sunny day

    • 7
    • 19

    Sunny day

    • 8
    • 19

    Sunny day

Today 10 May Wales

Dry on Saturday with plenty of strong sunshine. A chance of showers on Sunday and Monday, perhaps heavy and thundery in places. Warm or very warm but breezy at times.

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Trevethin Temperature Statistics

May Temperature

St-athan (43km)

  • Lowest 6 May, 2025

    4.2 °C

  • Average May

    11.9 °C

  • Highest 1 May, 2025

    25.6 °C

Climate (2020–Present)

St-athan (43km)

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  • Average Low 2020–2025

    8.7 °C

  • Average 2020–2025

    11.5 °C

  • Average High 2020–2025

    14.4 °C
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