St Mary's Island Weather Forecast

    • 9
    • 10

    Overcast

    • 3
    • 11

    Cloudy

    • 8
    • 9

    Cloudy

    • 8
    • 11

    Light rain

    • 6
    • 10

    Sunny day

    • 4
    • 9

    Cloudy

Today 15 Dec London and South East England

Remaining cloudy on Monday but largely dry during the day, although a few outbreaks of rain possible during the morning. Breezy at times but winds becoming light overnight. Maximum Temperature 12C.

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St Mary's Island Temperature Statistics

December Temperature

Shoeburyness (25km)

  • Lowest 5 December, 2025

    0.6 °C

  • Average December

    9.1 °C

  • Highest 9 December, 2025

    14.2 °C

Climate (2020–Present)

Shoeburyness (25km)

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  • Average Low 2020–2025

    8.2 °C

  • Average 2020–2025

    11.7 °C

  • Average High 2020–2025

    15 °C
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