With a population of around 21,200, Rancho San Diego sits in California, United States. The city operates in the Pacific Time Zone.
Rancho San Diego has a arid subtropical climate. Average annual temperature is 65°F, with January lows around 50°F and July highs near 75°F. The city averages 10 inches of precipitation per year. The wettest month is typically February; the driest is August.
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