St Agnes (Isles of Scilly) Weather Forecast

    • 8
    • 8

    Overcast

    • 7
    • 9

    Overcast

    • 6
    • 8

    Overcast

    • 8
    • 9

    Overcast

    • 7
    • 9

    Overcast

    • 6
    • 8

    Light rain

Today 29 Dec South West England

Any low cloud gradually breaking through the morning to leave sunny spells through the afternoon. Remaining dry with fairly light winds but feeling chilly after a cold start. Maximum Temperature 6C.

Tonight 29 Dec South West England

Cloudier through the evening and overnight with some patchy rain through the early hours. Turning colder behind with clear spells. Minimum Temperature 0C.

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St Agnes (Isles of Scilly) Temperature Statistics

December Temperature

Scilly St Marys (3km)

  • Lowest 25 December, 2025

    4.6 °C

  • Average December

    10.3 °C

  • Highest 9 December, 2025

    14.7 °C

Climate (2020–Present)

Scilly St Marys (3km)

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  • Average Low 2020–2025

    11.1 °C

  • Average 2020–2025

    12.7 °C

  • Average High 2020–2025

    14.3 °C
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