Climate
The climate and geography of the Sonoma Valley make
it not only a delightful place to live year-round, but also one of the
world’s great grape-growing regions. Averaging 29 inches of rainfall
per year, it is one of the driest areas in Sonoma County. The Mayacamas
and Sonoma mountain ranges on either side isolate the Valley, allowing
in just enough coastal fog to cool the vineyards on summer nights.
Predominantly southerly winds off San Pablo Bay also moderate
temperatures and extend the growing season. The Valley’s geological
diversity features numerous microclimates and a variety of soils that
enable growers to select the optimal growing conditions for each grape
varietal.
