Full Breakdown
Record-Breaking Heatwaves Sweep the United Kingdom
6/27/2026, 8:53:13 PM
Recent Weather Patterns and Historical Context
Over the past two months, the United Kingdom has endured two heatwaves that have broken long-standing temperature records, a phenomenon not observed since 1911. The first episode began in May when a high-pressure ridge, described as a “heat dome,” produced dry, sunny, warm conditions across the country. By contrast, the start of June marked a shift to cooler, wetter weather. Low-pressure systems from the Atlantic generated a series of weather fronts that delivered the bulk of June’s rainfall in the first half of the month, causing temperatures to fall well below seasonal average. The second heatwave emerged later in June, reversing the earlier trend and setting a new all-time high for the month. Historically, the United Kingdom’s hottest period typically occurs in late July and August, making the early-summer intensity noteworthy.
Timeline of the Heatwaves
- Early May 2024 – A high-pressure heat dome settles over the UK, initiating a sustained warm spell.
- May 2024 – Kew Gardens in London records a new May maximum of 35.1 °C, surpassing previous records.
- Early June 2024 – Atlantic low-pressure systems bring cooler temperatures and concentrate the month’s rainfall in the first half, producing below-average warmth.
- Mid-June 2024 – Weather patterns shift again; a second intense heatwave develops, culminating in the breaking of the June all-time temperature record.
- Late June 2024 – Forecasts indicate the June heatwave will gradually subside over the weekend, with a return to more average conditions expected the following week.
Data & Statistics
- 35.1 °C recorded at Kew Gardens, London, stands as the highest May temperature on record for the United Kingdom.
- June’s rainfall was largely confined to the first half of the month, while temperatures in early June dropped well below seasonal average.
- The June heatwave produced a new all-time high for the month, though the precise temperature is not disclosed in the source.
- Both heatwaves constitute the first simultaneous shattering of long-standing temperature records since 1911.
Potential Summer Outlook
Meteorologists note that the current June heatwave is projected to ease by the weekend, with average conditions likely to resume in the subsequent week. Nonetheless, the rapid oscillation from a May heat dome to a wet, cool June and back to intense heat suggests a heightened likelihood of further heatwaves later in the summer. The early timing of these extremes is significant given that the United Kingdom’s historically hottest weather usually arrives in late July and August.
What’s Next
The article notes that, although the June heatwave is expected to ease by the weekend, indications remain that additional heatwaves could develop later in the summer. The early occurrence of record-breaking temperatures suggests the United Kingdom may face further extreme heat as the meteorological summer continues.
