Snowdonia National Park Weather Forecast

    • 12
    • 14

    Cloudy

    • 11
    • 16

    Light rain

    • 12
    • 17

    Cloudy

    • 11
    • 17

    Cloudy

    • 12
    • 18

    Sunny day

    • 13
    • 19

    Sunny day

Today 20 May Wales

Largely cloudy at first on Wednesday, but some brighter spells developing at times. A few spots of rain possible where the cloud thickens. Maximum temperature 16 °C.

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Snowdonia National Park Temperature Statistics

May Temperature

Capel Curig Saws (26km)

  • Lowest 11 May, 2026

    1.9 °C

  • Average May

    8.8 °C

  • Highest 2 May, 2026

    15 °C

Climate (2021–Present)

Capel Curig Saws (26km)

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  • Average Low 2021–2026

    6.9 °C

  • Average 2021–2026

    9.9 °C

  • Average High 2021–2026

    12.7 °C
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