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‘Very excessive chance’ of July ‘mega heatwave’ sending temperatures above 35C

July is set to be an “amazing” month for weather, with “mega heatwave” conditions and temperatures possibly rising above 35C, according to a leading forecaster.

Despite June being a bit of a let-down, Exacta Weather forecaster James Madden states that “current signals are still good” for an increase in high pressure throughout next week, which could mean June ends with several days of “warm to hot temperatures over a number of days”.

However, things are really set to heat up next month, according to Madden. He said we can soon expect a “pattern change” in a Facebook update on Wednesday (June 12).

Madden predicts that July will bring “pretty amazing” conditions across the board and at its highest point, this hot streak could be classified as a “super or mega heatwave”. In his words: “The good news going forward and into July is that things are looking pretty amazing for this month as a whole, with the now very high possibility of some kind of super or mega heatwave of a decent duration.”



'Very high' risk of July 'mega heatwave' with UK temperatures 'surpassing 35C'
Madden says we could see a ‘mega heatwave’ (stock)

As to just how sizzling it might get, Madden projects we can anticipate “maximum temperatures possibly peaking in and around the mid to high 30Cs”.

Similar predictions have been made by other forecasters about a rise in temperature next month, although only Exacta has so far declared it as a potential heatwave. The Met Office‘s outlook from June 27 to July 11 reads: “Temperatures are most likely to be close to or slightly above climatological average.”

Netweather‘s forecast for July 1 to July 9 reads: “Temperatures are likely to be above normal overall, though with uncertainty over the extent of the anomaly.” BBC Weather says: “With areas of high pressure likely to remain close to the UK, there is a greater chance of warmer, calmer and drier weather in the first week of July.”

According to the Met Office, conditions constitute an official heatwave “when a location records a period of at least three consecutive days with maximum temperatures meeting or exceeding a heatwave temperature threshold”. The threshold varies by UK county from 25C to 28C.