Upper Lliw Reservoir Weather Forecast

    • 12
    • 20

    Cloudy

    • 11
    • 18

    Partly cloudy

    • 15
    • 20

    Fog

    • 16
    • 23

    Sunny day

    • 16
    • 23

    Sunny day

    • 15
    • 22

    Sunny day

Today 22 May Wales

Low cloud in the west will lift through the morning, leaving a dry and bright day for most, with warm hazy sunshine. Temperatures continue to rise above the May average. Maximum temperature 23 °C.

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Upper Lliw Reservoir Temperature Statistics

May Temperature

Pembrey Sands Samos (29km)

  • Lowest 12 May, 2026

    2.5 °C

  • Average May

    11.6 °C

  • Highest 9 May, 2026

    19.4 °C

Climate (2021–Present)

Pembrey Sands Samos (29km)

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  • Average Low 2021–2026

    8.4 °C

  • Average 2021–2026

    11.7 °C

  • Average High 2021–2026

    14.4 °C
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