Llanystumdwy Weather Forecast

    • 11
    • 16

    Cloudy

    • 10
    • 14

    Cloudy

    • 10
    • 18

    Sunny day

    • 12
    • 23

    Sunny day

    • 13
    • 24

    Sunny day

    • 13
    • 25

    Sunny day

Today 22 May Wales

Low cloud in the west will lift through the morning, leaving a dry and bright day for most, with warm hazy sunshine. Temperatures continue to rise above the May average. Maximum temperature 23 °C.

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Llanystumdwy Temperature Statistics

May Temperature

Capel Curig Saws (29km)

  • Lowest 11 May, 2026

    1.9 °C

  • Average May

    9.3 °C

  • Highest 2 May, 2026

    15 °C

Climate (2021–Present)

Capel Curig Saws (29km)

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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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