Groeslon Weather Forecast

    • 20
    • 28

    Sunny day

    • 16
    • 24

    Sunny day

    • 13
    • 25

    Sunny day

    • 13
    • 21

    Cloudy

    • 10
    • 17

    Partly cloudy

    • 12
    • 17

    Cloudy

    • 12
    • 16

    Light rain shower

Today 25 May Wales

Hot and humid on bank holiday Monday, exceptionally so for late May, with widespread strong sunshine and light winds. Slightly fresher at the coast with a sea breeze. Maximum temperature 30 °C.

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Groeslon Temperature Statistics

May Temperature

Capel Curig Saws (22km)

  • Lowest 11 May, 2026

    1.9 °C

  • Average May

    9.7 °C

  • Highest 22 May, 2026

    17.1 °C

Climate (2021–Present)

Capel Curig Saws (22km)

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  • Average Low 2021–2026

    6.9 °C

  • Average 2021–2026

    9.9 °C

  • Average High 2021–2026

    12.8 °C
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