San Jose: Geography and Climate
San Jose is located in the Santa Clara Valley at the southern tip of San Francisco Bay, 48 miles south of San Francisco and 40 miles south of Oakland. The area is known as the Southern Peninsula. San Jose is the seat of Santa Clara County and the center of a large and expanding metropolitan area bordered by the Santa Cruz Mountains on the west and the Diablo Mountain range on the east. The Coyote and Guadalupe rivers run through the city. San Jose's climate is mild and semi-arid, with humidity varying from 67 percent in January to 51 percent in July.
Area: 175 square miles (2000)
Elevation: 67 feet above sea level
Average Temperatures: January, 48.7° F; July, 62.7° F; annual average, 57.1° F
Average Annual Precipitation: 18.5 inches
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