The Met Office has confirmed that this summer was the UK's warmest on record.
The mean average temperature across June, July and August was a provisional 16.10C.
This beats the previous seasonal high of 15.76C set in 2018.
It comes just months after Britain saw its warmest and sunniest spring since data began.
The back-to-back record-breaking seasons have brought long spells of dry and hot weather across the country.
But the warmer conditions have taken their toll on the environment and agriculture, leading to hosepipe bans, drought orders, poor harvests and low water levels in reservoirs.
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All five of the UK's warmest summers have taken place since the year 2000 - 2025 (16.10C), 2018 (15.76