Solar Irradiance by Latitude

Estimate the average daily solar irradiance (kWh/m²/day) based on your latitude.

Enter Latitude

Approximation formula: Irradiance ≈ 5 × cos(latitude × π/180) kWh/m²/day. Equator ≈ 5 kWh/m²/day, poles ≈ 0 kWh/m²/day.