Sun Hour Calculator

Sun Hours Calculator

A sun hours calculator is a tool that calculates the average number of hours of sunlight received at a particular location throughout the year. The amount of sunlight received at a location can significantly impact the efficiency and output of a solar panel system, making it an essential factor to consider when planning and designing a solar energy system.

Peak Sun Hours Calculator

Use our peak sun hours calculator

Error: Please enter a valid location by selecting one from the autocomplete results.
Error: The National Renewable Energy Laboratory’s PVWatts Calculator does not have climate data for this location. Please try another location.
Optional: If left blank, we’ll use a default value of 0° (horizontal). You can use our solar panel tilt angle calculator to find the best angle for your solar panels.
Error: The tilt angle must be a positive number between 0 and 90 degrees.
Optional: If left blank, we’ll use a default value of 180° (south-facing) for locations in the northern hemisphere and 0° (north-facing) for locations in the southern hemisphere. You can use our solar panel azimuth angle calculator to find the best direction for your solar panels.
Error: The azimuth angle must be a positive number between 0 and 359 degrees.
Your annual average:
peak sun hours per day
Your monthly averages: