Gaer Weather Forecast

    • 12
    • 16

    Light rain shower

    • 13
    • 16

    Cloudy

    • 12
    • 19

    Cloudy

    • 14
    • 21

    Cloudy

    • 13
    • 20

    Partly cloudy

    • 13
    • 22

    Sunny day

Today 19 May Wales

Any lingering rain in the east quickly clearing, leaving a blustery day with a mix of sunshine and showers. The showers will be heavy and possibly thundery, before easing later. Maximum temperature 17 °C.

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Gaer Temperature Statistics

May Temperature

St-athan (34km)

  • Lowest 15 May, 2026

    4.7 °C

  • Average May

    11.4 °C

  • Highest 9 May, 2026

    19.1 °C

Climate (2021–Present)

St-athan (34km)

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  • Average Low 2021–2026

    9 °C

  • Average 2021–2026

    11.8 °C

  • Average High 2021–2026

    14.6 °C
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