Barmouth Weather Forecast

    • 7
    • 12

    Heavy rain shower

    • 5
    • 12

    Light rain

    • 5
    • 11

    Partly cloudy

    • 8
    • 11

    Cloudy

    • 7
    • 12

    Cloudy

    • 10
    • 13

    Light rain

    • 11
    • 14

    Heavy rain

Today 13 May Wales

A day of sunshine and blustery showers, some of the showers heavy with the added risk of hail in places. Chilly, with temperatures below average. Windy for many. Maximum temperature 13 °C.

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Barmouth Temperature Statistics

May Temperature

Lake Vyrnwy Saws (39km)

  • Lowest 12 May, 2026

    1.7 °C

  • Average May

    8.2 °C

  • Highest 2 May, 2026

    14.3 °C

Climate (2021–Present)

Lake Vyrnwy Saws (39km)

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  • Average Low 2021–2026

    6.3 °C

  • Average 2021–2026

    9 °C

  • Average High 2021–2026

    11.8 °C
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