What Is The Coldest Month In San Diego? [Solved]
Howdy, iam Clyde Holman, Peace out! What Is The Coldest Month In San Diego? [Solved] December The cool season lasts for 4.1 months, from November 29 to April 2, with an average daily high temperature below 67°F. The coldest month of the year in San Diego is December, with an average low of 51°F and high of 65°F. Top 10 cities with the best weather in the United States. Bring your sunblock....