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Recent Chilly Days and Nights only confirm that San Diego's lowest temperatures (according to more than a century of weather records) tend to occur during the month of January. January's mean temperature at Lindbergh Field is about 55 degrees Fahrenheit. (July's mean is a balmy 70 degrees.) To experience much colder temperatures, journey to the Cuyamacas; -1 and -4 degree readings were once recorded there -- the two lowest temperatures ever recorded in the county.
Recent Chilly Days and Nights only confirm that San Diego's lowest temperatures (according to more than a century of weather records) tend to occur during the month of January. January's mean temperature at Lindbergh Field is about 55 degrees Fahrenheit. (July's mean is a balmy 70 degrees.) To experience much colder temperatures, journey to the Cuyamacas; -1 and -4 degree readings were once recorded there -- the two lowest temperatures ever recorded in the county.