Solarific

Solar panel data for all U.S. cities

Solar Panel Angles for San Jose, California

The most efficient tilt for photovoltaic panels in San Jose, California at a latitude of 37.3°:

Orientation

Your photovoltaic panels need to be angled facing south.

Fixed tilt

If you're mounting the photovoltaic panels at a stationary angle, such as on your roof, the most efficient angle is 31.4°.

2-Season tilt

If you're planning to change the angle of your photovoltaic panels twice per year, the most efficient angle is 13.7° in summer months and 51.8° in winter months.

4-Season tilt

If you're planning to change the angle of your photovoltaic panels each season, the most efficient angle is 10° in summer months and 57.2° in winter months, and 34.3° in autumn and spring months.