Llanystumdwy Weather Forecast

    • 13
    • 22

    Sunny day

    • 12
    • 23

    Sunny day

    • 13
    • 20

    Partly cloudy

    • 14
    • 20

    Sunny day

    • 14
    • 19

    Partly cloudy

    • 12
    • 20

    Partly cloudy

    • 14
    • 19

    Partly cloudy

Today 18 Jul Wales

A bright start with plenty of sunshine. Cloud will build through the morning, although war, sunny spells will continue. Staying largely dry with just a small chance of a few showers. Maximum temperature 24 °C.

Tonight 18 Jul Wales

A warm end to the day with some late evening sunshine. Staying dry overnight with clear skies at first, but cloudier later. A cool night for many. Minimum temperature 10 °C.

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Llanystumdwy Temperature Statistics

July Temperature

Capel Curig Saws (29km)

  • Lowest 17 July, 2026

    9.7 °C

  • Average July

    17.7 °C

  • Highest 11 July, 2026

    29.5 °C

Climate (2021–2026)

Capel Curig Saws (29km)

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  • Average Low 2021–2026

    7 °C

  • Average 2021–2026

    10 °C

  • Average High 2021–2026

    12.8 °C
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