Castledawson Weather Forecast

    • -1
    • 6

    Cloudy

    • -5
    • 5

    Partly cloudy

    • 3
    • 4

    Cloudy

    • 2
    • 7

    Cloudy

    • 0
    • 4

    Cloudy

    • -1
    • 3

    Cloudy

    • -2
    • 3

    Cloudy

Today 29 Dec Northern Ireland

All parts will have a dry day. There will be variable amounts of cloud through the day with a few bright or sunny spells, Light winds. Maximum Temperature 6C.

Tonight 29 Dec Northern Ireland

This evening will be dry. Then the rest of the night will remain dry with a few clear periods. Frost and patchy fog forming where skies clear. Minimum Temperature 0C.

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Castledawson Temperature Statistics

December Temperature

Lough Fea Samos (17km)

  • Lowest 16 December, 2025

    -0.2 °C

  • Average December

    5.7 °C

  • Highest 9 December, 2025

    12.9 °C

Climate (2020–Present)

Lough Fea Samos (17km)

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  • Average Low 2020–2025

    6.4 °C

  • Average 2020–2025

    9.2 °C

  • Average High 2020–2025

    12 °C
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