Best Solar Panel Angle in Xi'an: Optimal Tilt & Monthly Table

What angle should solar panels be at in Xi'an? Best tilt from PVGIS weather data, yield per angle, summer/winter adjustment. Noon sun in June 79°, in December 32°.

The best angle for each month in Xi'an

  • 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: 54° · Noon sun height 36°
  • February: 45° · Noon sun height 45°
  • March: 34° · Noon sun height 56°
  • April: 22° · Noon sun height 68°
  • May: 14° · Noon sun height 76°
  • June: 11° · Noon sun height 79°
  • July: 14° · Noon sun height 76°
  • August: 22° · Noon sun height 68°
  • September: 34° · Noon sun height 56°
  • October: 45° · Noon sun height 45°
  • November: 54° · Noon sun height 36°
  • December: 58° · Noon sun height 32°