Maryland Sunlight Hours & Renewable Energy Information

Maryland Sun Light Hours Map

Quick Green Energy Summary for Maryland


State Sunlight Rank: 29/50

Average Annual Sunlight Hours: 2500 hours

Clear Days: 105 days per year

Summer Peak Sun Hours: 4.71 hours per day

Winter Peak Sun Hours: 3.84 hours per day

Average Peak Sun Hours: 4.47 hours per day


State Wind Rank : 31/50

Average Annual Wind Speed: 8.72 miles per hour

Using a yearly average, there are 4.47 peak sun hours in the state of Maryland. This number is calculated for a fixed solar panel.

When planning and trying to understand what impact solar panels can have on your electricity bill it helps to use an average number. Throughout the year the actual daily sunlight hours will fluctuate quite a bit based on weather, clouds and a number of issues and outside variables. Using an average calculation of peak sunlight hours, the best hours for solar insolation, helps drill down what to expect for the year in Maryland. On a day to day basis expect to see a wide range of output.