Millbay Weather Forecast

    • 3
    • 6

    Light rain

    • 7
    • 8

    Light rain

    • 7
    • 9

    Cloudy

    • 6
    • 10

    Light rain

    • 8
    • 10

    Cloudy

    • 8
    • 12

    Cloudy

Today 4 Dec Northern Ireland

Cloudy with outbreaks of rain in the morning, some heavy. Drier weather slowly edging in from the west. Maximum Temperature 7C.

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Millbay Temperature Statistics

December Temperature

Aldergrove (35km)

  • Lowest 3 December, 2025

    3.3 °C

  • Average December

    5.5 °C

  • Highest 1 December, 2025

    9 °C

Climate (2020–Present)

Aldergrove (35km)

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  • Average Low 2020–2025

    7.4 °C

  • Average 2020–2025

    10.3 °C

  • Average High 2020–2025

    13.3 °C
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