Llanystumdwy Weather Forecast

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    Sunny day

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    Sunny day

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    Sunny day

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    Sunny day

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    Sunny day

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    Sunny day

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    Sunny day

Today 10 Jul Wales

Early mist and low cloud will quickly burn away to leave a sunny day. Dry for many, but there is a small chance of the odd thunderstorm developing later in the day. Feeling hot with high levels of UV expected. Maximum temperature 34 °C.

Tonight 10 Jul Wales

Remaining dry this evening with plenty of late evening sunshine. Overnight may see a few mist patches reform but most remaining clear. Staying warm with temperatures only slowly falling away. Minimum temperature 16 °C.

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Llanystumdwy Temperature Statistics

July Temperature

Capel Curig Saws (29km)

  • Lowest 3 July, 2026

    11.1 °C

  • Average July

    16.5 °C

  • Highest 9 July, 2026

    25.7 °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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