Phoenix logs highest August temperature on record
Phoenix, Arizona, reached 47.8°C (118°F) on August 7, 2025, setting the highest August temperature since records began in 1895. Other locations across the region also saw record highs, with Blythe, California, reaching 48.9°C (120°F).
Image credit: Joe Cook
Mercury reached 47.8°C (118°F) in Phoenix, Arizona, on August 7, setting a record for the highest August temperature since records began in 1895. This broke a four-way tie of 47.2°C (117°F) recorded in 2011, 2015, 2020, and 2023.
Meanwhile, Scottsdale recorded a maximum temperature of 46.7°C (116°F) and Deer Valley reached 46.1°C (115°F), both setting new monthly records. Yuma, Arizona; El Centro, California; and Blythe, California, all set new daily high temperature records for August 7, reaching 45.6°C (114°F), 47.8°C (118°F), and 48.9°C (120°F) respectively.
It was the second consecutive day with extreme August temperatures. On August 6, Phoenix reached 46.7°C (116°F), and daily highs throughout August so far have ranged from 44.4°C to 45.6°C (112°F to 114°F).
High temperatures are expected to drop by a few degrees on August 8, but extreme heat warnings remain in effect through the evening across much of central and southern Arizona. Increased atmospheric moisture is expected to raise humidity levels.
I am an Assistant Editor and Severe Weather & Science Journalist at The Watchers, specializing in real-time severe weather coverage, geophysical event reporting, and research-driven scientific analysis. You can reach me at rishav(at)watchers(.)news.
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