Ganllwyd Weather Forecast

    • 16
    • 29

    Sunny day

    • 14
    • 25

    Thunder shower

    • 13
    • 22

    Cloudy

    • 11
    • 16

    Partly cloudy

    • 12
    • 16

    Light rain

    • 13
    • 15

    Heavy rain

    • 12
    • 15

    Heavy rain

Today 26 May Wales

Temperatures rapidly rising in the strong sunshine and becoming exceptionally hot inland by the afternoon. Very localised thunderstorms may develop later. Cooler in many coastal regions with sea breezes possible. Maximum temperature 30 °C.

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Ganllwyd Temperature Statistics

May Temperature

Lake Vyrnwy Saws (29km)

  • Lowest 12 May, 2026

    1.7 °C

  • Average May

    9.5 °C

  • Highest 24 May, 2026

    23.5 °C

Climate (2021–Present)

Lake Vyrnwy Saws (29km)

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  • Average Low 2021–2026

    6.3 °C

  • Average 2021–2026

    9 °C

  • Average High 2021–2026

    11.9 °C
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