Croesyceiliog Weather Forecast

    • 17
    • 26

    Sunny day

    • 17
    • 30

    Sunny day

    • 15
    • 30

    Sunny day

    • 13
    • 26

    Sunny day

    • 13
    • 26

    Sunny day

    • 14
    • 25

    Partly cloudy

Today 24 May Wales

Any fog quickly clearing to leave a sunny day, with light winds. Feeling very warm as temperatures rise well above the seasonal average. Always a little cooler at the coast. Maximum temperature 26 °C.

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Croesyceiliog Temperature Statistics

May Temperature

St-athan (41km)

  • Lowest 15 May, 2026

    4.7 °C

  • Average May

    11.8 °C

  • Highest 21 May, 2026

    21.7 °C

Climate (2021–Present)

St-athan (41km)

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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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