San Francisco is experiencing its coldest summer in decades, with average July temperatures around 59.3 degrees, below normal. Temperatures in nearby San Jose and Oakland are also cooler than normal. Meteorologist Matt Mehle notes that this summer is the coldest in 20 to 30 years, with similar patterns last observed in the late 1990s. A misplaced seasonal high-pressure system and a persistent low-pressure system over the Pacific Northwest are leading to cloud cover and cooler temps. Coastal upwelling is notable, raising colder ocean water to the surface, impacting local weather.
This year, San Francisco has been experiencing its coldest summer in decades, with daytime highs barely reaching the mid-60s and an average temperature in July of 59.3 degrees.
A seasonal high-pressure system typically brings warmer weather but is misplaced this year, which is leading to cooler temperatures and unrelenting cloud cover for the Bay Area.
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