Solar Energy & Solar Power Resources

Solar Power in 78589 (San Juan, TX)

Solar Energy in 78589

Sorry, historical solar radition values for 78589 are currently unavailable, please check back later.

Solar Panels in 78589

Solar panels in 78589 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 78589

The total length of the day in 78589 (San Juan, TX) today (August 28, 2026) will be 12 hours and 48 minutes. [More]

Solar Energy in 78589 (San Juan, TX)

Solar Energy Data for 78589

See the chart below to see how different types of solar panel installations compare in 78589.

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

Solar Energy Analysis for 78589

Sorry, it is not possible to complete our solar energy analysis for 78589 at this time.

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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 78589

Solar Radiation Data in 78589

See the chart below for monthly solar radiation levels in 78589.

Sorry, data is not currently available.

Solar Radiation Analysis for 78589

Sorry, it is not possible to complete our solar radiation analysis for 78589 at this time.

Historical solar radiation data for 78589 is not currently available.

Please check back later.

Solar Power Comparison: 78589 vs. the U.S.

Solar Power Levels in 78589

Sorry, solar radiation data for 78589 is not currently available.

Solar Power: 78589 vs. the U.S.

Below is a month-by-month comparison of how average 78589 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 Texas is not currently available.

Solar Data & Statistics for 78589

Sunrise / Sunset in 78589

Sunrise/Sunset for August 28, 2026 ^[2]
- Sunrise: 7:09 am
- Sunset: 7:57 pm
- Length of Day: 12:48

Best Months for Solar in 78589

Monthly data not currently available.

Solar Panel Installs in 78589

We do not have data on solar panel installations in ZIP Code 78589 at the current time.

Solar Power Output in 78589

The Power of Solar in 78589

Monthly AC solar system output averages for 78589. Month-by-month solar power, as ranked by AC output, in 78589. ^[2]

AC output data is not currently available.

Solar Output Analysis for 78589

Sorry, it is not possible to complete our solar radiation analysis for 78589 at this time.

Historical solar radiation data for 78589 is not currently available.

Please check back later.

Weather Forecast for 78589 ^[5]

Fri Aug 28

98°F

Light Rain
Min: 79°F
Max: 98°F

Fresh Breeze: 19 mps ESE
Precip.: Chance of Rain
Humidity: 33%
Cloud cover: 29%

Sat Aug 29

97°F

Few Clouds
Min: 76°F
Max: 102°F

Fresh Breeze: 19 mps SE
Precip.: n/a
Humidity: 35%
Cloud cover: 13%

Sun Aug 30

98°F

Sky Is Clear
Min: 81°F
Max: 101°F

Fresh Breeze: 21 mps SE
Precip.: n/a
Humidity: 36%
Cloud cover: 1%

Mon Aug 31

99°F

Sky Is Clear
Min: 81°F
Max: 101°F

Fresh Breeze: 19 mps SE
Precip.: n/a
Humidity: 32%
Cloud cover: 7%

Tue Sep 1

99°F

Few Clouds
Min: 81°F
Max: 101°F

Fresh Breeze: 21 mps SE
Precip.: n/a
Humidity: 37%
Cloud cover: 11%

Wed Sep 2

98°F

Overcast Clouds
Min: 82°F
Max: 102°F

Fresh Breeze: 20 mps SE
Precip.: n/a
Humidity: 36%
Cloud cover: 98%

More about 78589

About 78589

The ZIP code 78589 is associated with the city of San Juan in Hidalgo County in Texas.

78589 Solar Energy & Power

To learn more about solar energy and solar power in 78589, or for more solar-related resources for TX, check out the U.S. Energy Information Administration.