Record-Breaking June Heatwave Grips the UK as Temperatures Hit 36C

Chris Palmer, Climate Reporter
4 Min Read
⏱️ 3 min read

In an unprecedented turn of events, the UK has recorded its hottest June day ever, with temperatures soaring to a blistering 36.0C in Wisley, Surrey, on Wednesday afternoon. This new high eclipses the previous record of 35.6C, which had stood since 1957 and was matched in 1976. As southern England and the Midlands swelter, the Met Office has expanded its red warning for extreme heat, now extending southward towards the coast and remaining in effect until late Thursday night.

Extreme Heat Warnings Extended

The Met Office’s red warning signals severe heat across parts of southern England, the Midlands, and south Wales. This is the first time Wales has faced such a warning for extreme temperatures, marking a significant moment in the nation’s weather history. With maximum temperatures expected to reach the low to mid-thirties across much of England, the oppressive heat is compounded by high humidity, making the “feels like” temperatures soar into the low 40s Celsius.

In addition to the red warning, an amber alert for extreme heat is in place for much of England on Friday, alongside another alert focused on the east and south-east regions for Saturday. Residents are cautioned to prepare for the impacts of such intense heat, as many areas may experience discomfort and health risks.

Potential for Stormy Weather

As the heat settles in, the Met Office has also issued a yellow warning for thunderstorms in south-west England, effective from 6 PM to midnight on Thursday. While the most severe storms may bypass many areas, they still pose a risk of disruption, particularly in regions that are experiencing the highest temperatures.

The combination of heat and humidity may not only lead to uncomfortable conditions but could also trigger a series of thunderstorms, a stark reminder of the unpredictable nature of weather patterns during extreme heat events.

Tropical Nights Ahead

The soaring temperatures are expected to persist into the night, with many locations not dropping below 20C. This phenomenon, often referred to as “tropical nights,” could lead to the warmest June nights on record, especially on Wednesday and Thursday evenings. Minimum temperatures are projected to remain between 21 and 23C across Wales, the Midlands, and the south-east, threatening to surpass the previous UK record of 22.7C set in 1979.

As the heatwave continues, over 1,000 schools have either closed or are set to close early in response to the extreme heat warnings. The discomfort is anticipated to linger, with residents urged to seek out cooler spaces and remain hydrated.

Why it Matters

This unprecedented heatwave represents not just a record-breaking meteorological event but also serves as a stark indicator of the shifting climate patterns affecting the UK and beyond. As extreme weather becomes increasingly frequent, the implications for public health, infrastructure, and the environment are profound. Communities must adapt to these changes, highlighting the urgent need for strategies to mitigate the impacts of climate change and safeguard public health in the face of rising temperatures.

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Chris Palmer is a dedicated climate reporter who has covered environmental policy, extreme weather events, and the energy transition for seven years. A trained meteorologist with a journalism qualification from City University London, he combines scientific understanding with compelling storytelling. He has reported from UN climate summits and covered major environmental disasters across Europe.
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