climate & Seismic activity

The Stanislaus River Valley averages just 12 inches of rainfall each year and experiences a full spectrum of the seasons. Temperatures range from an average low of 38o F in the winter, to an average high of 85 o F during the spring and fall, to an average high in the 90’s during the summer months.

Virtually all of the Stanislaus River Valley is located in seismic zone 3. There are no faults running through the county, however there are some areas west of Interstate 5 in the foothills that are considered zone 4 and may be near a minor fault line.