Mild start to November sees temperature records broken

Early November 2025 has set numerous new high daily minimum temperature records across the United Kingdom, with many weather stations noting unusually warm conditions. This stretch of mild nights follows an October that was already above average in temperature, underscoring a shifting meteorological trend.

October’s warmer setup

During October 2025, the UK experienced a mean temperature roughly 0.7°C higher than the 1991–2020 average. Scotland and Northern Ireland were slightly warmer than the rest of the regions, creating the conditions that paved the way for November’s record-breaking start.

Warm southern airflow and cloudy nights

At the beginning of November, warm air moved northward across the country. This southerly flow, paired with overcast skies, trapped heat overnight, resulting in unusually high minimum temperatures. The daily minimum temperature represents the lowest point recorded between 0900 UTC and 0900 UTC, usually occurring in the early morning hours.

Bonfire Night’s record warmth

“Temperatures overnight only dropped to 14.4℃ at Teddington in London, provisionally making it the mildest Bonfire Night on record. The previous record for the night of 5–6 November was 13.9℃ at Gordon Castle, Scotland, in 1938.”

This data highlights the exceptional mildness of Bonfire Night 2025, marking an event that continues the broader pattern of unusually warm autumn nights across the UK.

Author’s Summary

Early November 2025 continued the UK's unusual warmth, with record mild nights driven by southern airflow and cloud-covered skies following a notably warm October.

Met Office — 2025-11-07