The RAC’s found it caused 721 deaths or injuries on average in August between 2014 and 2024.
July is next, followed by December, when most campaigns against the crime are promoted by police forces across the UK.
22-year-old Lillie Clack from Morden died following a car crash in which she was a passenger in Carshalton Beeches in 2021.
Her mum Debbie has been calling for a number of reforms to drink driving laws ever since.
