San Jose, California Francisco Bay. Santa Clara Valley is the population center of the Bay Area and, like the hub and spokes of a wheel, surrounding communities emanate outwards from the valley. This growth, in part, has shaped the greater Bay Area as it is today in terms of geographic population distribution and the trend of suburbanization away from the valley. There are four distinct valleys in the city of San Jose: Almaden Valley, situated on the southwest fringe of the city; Evergreen Valley to the southeast, which is hilly all throughout its interior; Santa Clara Valley, which includes the flat, main urban
San Jose, Occidental Mindoro creeks, including the Pandurucan river which runs through the center of town, serve as natural drainage. Mineral deposits includes copper and limestone. San Jose has a tropical monsoon climate (Köppen climate classification "Am"). The average annual temperature is 27.5 °C. The warmest month of the year is May, with an average temperature of 28.9 °C. January has the lowest average temperature of the year, at 26.5 °C. The average annual rainfall is 3126 mm. The driest month is March, with 8 mm of rainfall. With an average of 714 mm, the most precipitation falls in July. San Jose is politically