Rancho Cucamonga is a suburban city situated at the foothills of the San Gabriel Mountains in San Bernardino County, California. It is located east of Downtown Los Angeles. The city had a population of 165,269 in 2010 and an estimated population of 174,305 in 2014. The city experiences an average of 287 sunny days per year, compared to a national average of 205 days. Its climate is classified as warm Mediterranean, or Csa, under the Köppen climate classification system. The city's seal, which centers on a cluster of grapes, alludes to the city's agricultural history and intimate connections to wine-making.