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While extreme temps in the desert southwest are par for the course, June 1974 proved to be historic.
For a period of 18 days (between June 12-25), the mercury rose to a whopping 100+ degrees, with the apex hitting 116.1°F June 24. Only one day that month (whose mean temperature hovered around 83°F ) was under 100°F.
Still, the hottest day in Arizona history came two decades later – a sizzling 128°F – recorded in late June 1994 (the National Weather Service reported the epic high on the 29th, which means it likely occurred one day prior).
And July is, ahem, (historically) even hotter.
– Hannah Van Sickle, The Arizona 100