Mild Start to November Breaks Temperature Records in the UK
The beginning of November 2025 saw an unprecedented series of new daily minimum temperature records across the UK, with many weather stations reporting unusual overnight warmth. This streak of mild nights followed an October that was already warmer than usual, underscoring a notable meteorological trend.
October 2025 Set the Scene for Warm November
October 2025 recorded a mean temperature approximately 0.7°C above the 1991–2020 average. Scotland and Northern Ireland experienced slightly higher temperatures compared to other parts of the UK, laying the groundwork for the record-breaking conditions in November.
Weather Pattern Contributing to Record Warmth
As November commenced, warm air flowed northward from the south, accompanied by cloudy skies. This combination trapped heat overnight, causing unusually high daily minimum temperatures.
Understanding Daily Minimum Temperature
The daily minimum temperature is the lowest temperature recorded within a 24-hour period from 09:00 UTC to 09:00 UTC the following day. The recorded date corresponds to the end of this period since the coldest temperature usually, though not always, occurs in the early morning.
Bonfire Night 2025 Sets New Record
“Temperatures overnight only dropped to 14.4℃ at Teddington in London, provisionally making it the mildest Bonfire Night on record.”
The previous record for November 5th–6th was 13.9℃ at Gordon Castle, Scotland, in 1938.
This remarkable warmth on Bonfire Night highlights the ongoing trend of milder nights in the UK.
Summary
The early days of November 2025 brought unprecedented overnight warmth across the UK, breaking long-standing temperature records amid prevailing warm airflows and cloudy conditions.
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