London's July peak was 35C on 9 July; the Met Office monthly report puts the UK-wide July maximum at 35.5C (Wisley), capping London below 36C.
Resolved 1 Aug 2026
How this resolves
The July multi resolves on the single highest London-station maximum recorded from 1 to 31 July 2026, per Met Office published data, under the same 72-hour correction rule.
The pattern behind it
3 of 10
London passed 35C in three of the ten summers before this one — 2019, 2020 and 2022. A near-40C June shifts the picture, but the honest base rate is that most London summers never touch 35C, and June heat has been a weak predictor of the July peak.
London passed 35C in three of the ten summers before this one. We looked at when its biggest heat spikes came. They are short and sharp, and they usually land in late July or August. A hot June has not meant the peak of the summer was over.
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