The United Kingdom is set to experience an unseasonably warm spell this weekend, with forecasters predicting temperatures that could break historical records for May. London is expected to be at the epicentre of this heat, with predictions of 33 degrees Celsius, potentially surpassing the current May record of 32.8C set in 1922 and 1944.
This significant rise in temperature follows a relatively cool and wet start to spring across many parts of the country. The sudden shift is attributed to a plume of warm air originating from southern Europe, pushing northwards across the UK. While the highest temperatures are anticipated in the capital, other regions, particularly in the south-east of England, are also expected to see temperatures well into the high twenties.
Authorities and health organisations are preparing for the implications of such high temperatures. The Met Office has advised the public to be mindful of high ultraviolet (UV) radiation levels and elevated pollen counts, which could affect those with allergies. Public Health England is anticipated to issue updated guidance on how to stay safe and hydrated during the heatwave, particularly for vulnerable groups such as the elderly and young children.
Transport networks may also face challenges. Historically, extreme heat can lead to speed restrictions on railway lines due to the risk of buckled tracks, causing potential delays for commuters and travellers. Road surfaces can also be affected, and there is an increased risk of vehicle breakdowns. Water companies may also see a surge in demand, urging consumers to use water responsibly.
The current highest temperature ever recorded in May in the UK stands at 32.8C. This was first recorded in Camden Square, London, on 22 May 1922, and then matched in Horsham, West Sussex, on 29 May 1944. Should temperatures reach or exceed 33C this weekend, it would mark a new historical milestone for the month of May, underscoring the variability of British weather patterns.