Trecco Bay Weather Forecast

    • 6
    • 10

    Light rain

    • 8
    • 11

    Partly cloudy

    • 5
    • 9

    Light rain shower

    • 8
    • 10

    Light rain

    • 7
    • 11

    Heavy rain shower

    • 9
    • 11

    Cloudy

Today 2 Dec Wales

A damp start in the west, with patchy cloud and showers, some clearer spells in the east before showers become widespread through the day. These will be occasionally blustery and carry the chance of hail and thunder. Some sunny spells. Maximum Temperature 10C.

Tonight 2 Dec Wales

Cloudy with showers continuing through the evening, these heaviest in the south, but draw back to the coasts overnight. Under clearer skies isolated pockets of fog and frost may form. Minimum Temperature 2C.

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Trecco Bay Temperature Statistics

December Temperature

St-athan (18km)

  • Lowest 1 December, 2025

    8.9 °C

  • Average December

    10.4 °C

  • Highest 1 December, 2025

    12 °C

Climate (2020–Present)

St-athan (18km)

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  • Average Low 2020–2025

    8.8 °C

  • Average 2020–2025

    11.7 °C

  • Average High 2020–2025

    14.5 °C
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