Solar Energy & Solar Power Resources

Solar Power in 91778 (San Gabriel, CA)

Solar Energy in 91778

Sorry, historical solar radition values for 91778 are currently unavailable, please check back later.

Solar Panels in 91778

Solar panels in 91778 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 91778

The total length of the day in 91778 (San Gabriel, CA) today (August 16, 2026) will be 13 hours and 26 minutes. [More]

Solar Energy in 91778 (San Gabriel, CA)

Solar Energy Data for 91778

See the chart below to see how different types of solar panel installations compare in 91778.

Historical solar power output data for San Gabriel is not currently available.

Solar Energy Analysis for 91778

Sorry, it is not possible to complete our solar energy analysis for 91778 at this time.

Please check back later.

Solar Energy Glossary

Global Horizontal Irradiance (GHI)

Global Horizontal Irradiance: The total amount of solar radiation that is received per unit area by a surface that is always positioned in a horizontal manner.

Direct Normal Irradiance (DNI)

Direct Normal Irradiance: The total amount of solar radiation received per unit area by a surface that is always perpendicular to the sun rays that come in a straight line from the direction of the sun at its current position in the sky.

Average Tilt at Latitude (ATaL)

Average Tilt at Latitude: The total amount of solar radiation received per unit area by a surface that is tilted toward the equator at an angle equal to the current latitude. ATaL will often produce the optimum energy output.

Solar Radiation Levels in 91778

Solar Radiation Data in 91778

See the chart below for monthly solar radiation levels in 91778.

Sorry, data is not currently available.

Solar Radiation Analysis for 91778

Sorry, it is not possible to complete our solar radiation analysis for 91778 at this time.

Historical solar radiation data for 91778 is not currently available.

Please check back later.

Solar Power Comparison: 91778 vs. the U.S.

Solar Power Levels in 91778

Sorry, solar radiation data for 91778 is not currently available.

Solar Power: 91778 vs. the U.S.

Below is a month-by-month comparison of how average 91778 solar radiation levels compare to average levels in a city with historcially high levels (NV) and a city with historically low levels (WA). ^[1]

Sorry, solar radiation data for California is not currently available.

Solar Data & Statistics for 91778

Sunrise / Sunset in 91778

Sunrise/Sunset for August 16, 2026 ^[2]
- Sunrise: 6:13 am
- Sunset: 7:39 pm
- Length of Day: 13:26

Best Months for Solar in 91778

Monthly data not currently available.

Solar Panel Installs in 91778

We do not have data on solar panel installations in ZIP Code 91778 at the current time.

Solar Power Output in 91778

The Power of Solar in 91778

Monthly AC solar system output averages for 91778. Month-by-month solar power, as ranked by AC output, in 91778. ^[2]

AC output data is not currently available.

Solar Output Analysis for 91778

Sorry, it is not possible to complete our solar radiation analysis for 91778 at this time.

Historical solar radiation data for 91778 is not currently available.

Please check back later.

Weather Forecast for 91778 ^[5]

Sun Aug 16

87°F

Sky Is Clear
Min: 65°F
Max: 90°F

Gentle Breeze: 11 mps SW
Precip.: n/a
Humidity: 32%
Cloud cover: 0%

Mon Aug 17

91°F

Sky Is Clear
Min: 71°F
Max: 96°F

Gentle Breeze: 10 mps SW
Precip.: n/a
Humidity: 27%
Cloud cover: 5%

Tue Aug 18

93°F

Broken Clouds
Min: 77°F
Max: 97°F

Gentle Breeze: 9 mps SSW
Precip.: n/a
Humidity: 25%
Cloud cover: 67%

Wed Aug 19

92°F

Scattered Clouds
Min: 79°F
Max: 99°F

Gentle Breeze: 8 mps SW
Precip.: n/a
Humidity: 27%
Cloud cover: 30%

Thu Aug 20

93°F

Broken Clouds
Min: 80°F
Max: 100°F

Gentle Breeze: 9 mps SSW
Precip.: n/a
Humidity: 25%
Cloud cover: 65%

Fri Aug 21

93°F

Scattered Clouds
Min: 80°F
Max: 100°F

Gentle Breeze: 9 mps SW
Precip.: n/a
Humidity: 27%
Cloud cover: 50%

More about 91778

About 91778

The ZIP code 91778 is associated with the city of San Gabriel in Los Angeles County in California.

91778 Solar Energy & Power

To learn more about solar energy and solar power in 91778, or for more solar-related resources for CA, check out the U.S. Energy Information Administration.