Llanmaes Weather Forecast

    • 14
    • 17

    Cloudy

    • 14
    • 17

    Heavy rain

    • 13
    • 16

    Thunder shower

    • 13
    • 16

    Heavy rain shower

    • 11
    • 15

    Light rain shower

    • 11
    • 14

    Light rain shower

    • 12
    • 15

    Light rain shower

Today 31 May Wales

A rather grey start but cloud will lift and break throughout the morning allowing some spells of sunshine to develop. A few showers will also develop but many will remain dry. Feeling fresher than of late. Maximum temperature 19 °C.

Tonight 31 May Wales

Apart from the odd shower it will be a dry evening with some late sunshine. Overnight cloud will tend to increase with the breeze also freshening. Minimum temperature 13 °C.

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Llanmaes Temperature Statistics

May Temperature

St-athan (2km)

  • Lowest 15 May, 2026

    4.7 °C

  • Average May

    13.8 °C

  • Highest 26 May, 2026

    30.3 °C

Climate (2021–Present)

St-athan (2km)

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  • Average Low 2021–2026

    9 °C

  • Average 2021–2026

    11.9 °C

  • Average High 2021–2026

    14.7 °C
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