Coastal Flood Advisory

UK to endure prolonged spell of unseasonable warmth

By Renee Duff, AccuWeather meteorologist
By Adam Douty, AccuWeather senior meteorologist
June 24, 2018, 10:41:03 AM EDT

A long stretch of dry and unseasonably hot weather will take hold of the United Kingdom during the final week of June.

While above-normal warmth has prevailed across the entire United Kingdom so far in June, the most intense heat of the month may arrive this week, according to AccuWeather Senior Meteorologist Eric Leister.

Temperatures during the first 20 days of the month were 2-5 C (4-9 F) above normal across much of Britain, including in London, Liverpool and Belfast.

Following a return to seasonable conditions for the first few days of summer, an area of high pressure will settle to the east of the country next week.

“This shift to the east will allow [wind] to turn southerly and pull hot air northward into the United Kingdom,” Leister said.

uk 6/24

High temperatures across Greater London may surpass 27 C (80 F) on multiple days next week. A typical high in the city during the final days of June is 21 C (69 F).

Temperatures across the rest of England, as well as Wales and northward through Scotland, are likely to soar up to 3-7 C (6-12 F) above average for late June.

Factoring in plenty of sunny spells and an increase in humidity levels, AccuWeather RealFeel® Temperatures can be several degrees above the actual temperature.

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Regardless of whether or not the upcoming pattern will meet the official criteria of a heat wave, which is defined as five consecutive days with the daily maximum temperature exceeding the average high by 5 C (9 F), people will need to take precautions to avoid straining themselves in the heat.

“Due to this being a long-duration heat event, there will be an elevated risk for heat-related illnesses, especially for the youth and elderly,” Leister said.

Those out and about enjoying the warm, dry and sunny weather will need to wear plenty of sun cream and light-colored, loose-fitted clothing. People should also drink plenty of water in order to stay hydrated.

Leister stated that the heat may break down, and opportunities for rain may increase across the country, heading into the start of July.

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