Solar Energy & Solar Power Resources

Solar Power in 98139 (Seattle, WA)

Solar Energy in 98139

Sorry, historical solar radition values for 98139 are currently unavailable, please check back later.

Solar Panels in 98139

Solar panels in 98139 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 98139

The total length of the day in 98139 (Seattle, WA) today (April 25, 2025) will be 14 hours and 16 minutes. [More]

Solar Energy in 98139 (Seattle, WA)

Solar Energy Data for 98139

See the chart below to see how different types of solar panel installations compare in 98139.

Historical solar power output data for Seattle is not currently available.

Solar Energy Analysis for 98139

Sorry, it is not possible to complete our solar energy analysis for 98139 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 98139

Solar Radiation Data in 98139

See the chart below for monthly solar radiation levels in 98139.

Sorry, data is not currently available.

Solar Radiation Analysis for 98139

Sorry, it is not possible to complete our solar radiation analysis for 98139 at this time.

Historical solar radiation data for 98139 is not currently available.

Please check back later.

Solar Power Comparison: 98139 vs. the U.S.

Solar Power Levels in 98139

Sorry, solar radiation data for 98139 is not currently available.

Solar Power: 98139 vs. the U.S.

Below is a month-by-month comparison of how average 98139 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 Washington is not currently available.

Solar Data & Statistics for 98139

Sunrise / Sunset in 98139

Sunrise/Sunset for April 25, 2025 ^[2]
- Sunrise: 5:59 am
- Sunset: 8:15 pm
- Length of Day: 14:16

Best Months for Solar in 98139

Monthly data not currently available.

Solar Panel Installs in 98139

We do not have data on solar panel installations in ZIP Code 98139 at the current time.

Solar Power Output in 98139

The Power of Solar in 98139

Monthly AC solar system output averages for 98139. Month-by-month solar power, as ranked by AC output, in 98139. ^[2]

AC output data is not currently available.

Solar Output Analysis for 98139

Sorry, it is not possible to complete our solar radiation analysis for 98139 at this time.

Historical solar radiation data for 98139 is not currently available.

Please check back later.

Weather Forecast for 98139 ^[5]

Fri Apr 25

67°F

Overcast Clouds
Min: 46°F
Max: 69°F

Gentle Breeze: 11 mps N
Precip.: n/a
Humidity: 41%
Cloud cover: 100%

Sat Apr 26

67°F

Sky Is Clear
Min: 44°F
Max: 69°F

Light breeze: 7 mps S
Precip.: n/a
Humidity: 42%
Cloud cover: 3%

Sun Apr 27

59°F

Broken Clouds
Min: 43°F
Max: 62°F

Gentle Breeze: 9 mps SSW
Precip.: n/a
Humidity: 49%
Cloud cover: 68%

Mon Apr 28

55°F

Light Rain
Min: 45°F
Max: 55°F

Gentle Breeze: 8 mps S
Precip.: Chance of Rain
Humidity: 60%
Cloud cover: 100%

Tue Apr 29

52°F

Light Rain
Min: 45°F
Max: 54°F

Light breeze: 7 mps S
Precip.: Chance of Rain
Humidity: 88%
Cloud cover: 100%

Wed Apr 30

65°F

Few Clouds
Min: 42°F
Max: 65°F

Gentle Breeze: 8 mps NNW
Precip.: n/a
Humidity: 44%
Cloud cover: 13%

More about 98139

About 98139

The ZIP code 98139 is associated with the city of Seattle in King County in Washington.

98139 Solar Energy & Power

To learn more about solar energy and solar power in 98139, or for more solar-related resources for WA, check out the U.S. Energy Information Administration.