The UK had its hottest, sunniest year on record in 2025, driven by climate change and extreme weather.

According to the Met Office, the UK experienced its hottest and sunniest year on record in 2025, with an average temperature of 10.09°C and 1,648.5 hours of sunshine. The year featured prolonged dry, sunny weather, four heatwaves, widespread droughts, and a record number of wildfires. Scientists attribute the extreme conditions to human-caused climate change, noting that four of the last five years have been among the warmest on record. The UK also generated a record 47% of its electricity from renewables, which aided national emissions reduction targets.