Solar Panel Tilt Angle for Latitude 15°

Annual, summer, and winter optimal angles for 15° latitude

Optimal Tilt Summary

Annual AverageSummer OptimalWinter Optimal
13.5°30°

Monthly Optimal Tilt Angle

MonthOptimal Angle
Jan36.3°
Feb28.3°
Mar17.8°
Apr5.6°
May3.8°
Jun8.3°
Jul6.5°
Aug1.2°
Sep12.8°
Oct24.6°
Nov34.1°
Dec38.3°

Nearby Latitude Comparison

LatitudeAnnual AverageSummer OptimalWinter Optimal
4.5°20°
10°25°
15° →13.5°30°
20°18°35°
25°22.5°10°40°