June 2023 marked England's hottest June on record, with temperatures averaging 16.9°C. The UK experienced its second warmest June with an average of 15.2°C. The Met Office indicated human activity is likely a major contributor to the occurrence of extreme heat events. Two confirmed heatwaves affected England and Wales during the month, with the southeast experiencing particularly high temperatures. Climatic projections suggest increasing frequency of such heatwaves, indicating overall rising temperatures in future seasons.
Average temperatures hit a balmy 16.9°C - the highest recorded since the series began in 1884. Last month was also the second warmest on record for the UK, which saw an average temperature of 15.2°C.
Numerous climate attribution studies have shown that human influence increased the chance that specific extreme heat events would occur, such as the summer of 2018 and July 2022.
Our Met Office climate projections indicate that hot spells will become more frequent in our future climate, particularly over the southeast of the UK.
This second heatwave has been more concentrated on the very far south and east of England, according to the Met Office.
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