Best Solar Panel Angle in Nanjing: Optimal Tilt & Monthly Table

What angle should solar panels be at in Nanjing? Best tilt from PVGIS weather data, yield per angle, summer/winter adjustment. Noon sun in June 81°, in December 35°.

The best angle for each month in Nanjing

  • The best tilt from five years of hourly weather at your location – with a yield curve, a summer/winter adjustment plan and a month-by-month table.
  • Angle at which the noon sun on the 21st hits a south-facing panel square on:
  • January: 52° · Noon sun height 38°
  • February: 43° · Noon sun height 47°
  • March: 32° · Noon sun height 58°
  • April: 20° · Noon sun height 70°
  • May: 12° · Noon sun height 78°
  • June: 9° · Noon sun height 81°
  • July: 12° · Noon sun height 78°
  • August: 20° · Noon sun height 70°
  • September: 31° · Noon sun height 59°
  • October: 43° · Noon sun height 47°
  • November: 52° · Noon sun height 38°
  • December: 55° · Noon sun height 35°