Location data · Bavaria
Sun hours in Pfaffenhofen an der Ilm
How sunny is Pfaffenhofen an der Ilm? Over a year the sun delivers 1,413 kilowatt-hours onto every square metre here — in June roughly 4 times as much per day as in December. “Sun hours” has two meanings: the weather report counts how long the sun shines. For solar power what matters is how much energy arrives — and that is what this page shows, as peak sun hours (hours of full sun power).
For solar planning this means: an optimally tilted, south-facing array (35°) harvests an annual average of 3.87 peak sun hours per day in Pfaffenhofen an der Ilm. In 9 out of 10 years at least 1,287 kWh/m² are reached. All values are computed from this location’s satellite hourly data, not estimated.
- Annual average (PSH)
- 3.87 kWh/m²/d
- P90 annual total
- 1,287 kWh/m²
- Optimal tilt
- 35°
- Terrain horizon max.
- 5.7°
Sun hours per month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PSH/day (35° south) | 1.49 | 2.56 | 3.90 | 5.20 | 5.26 | 5.81 | 5.76 | 5.35 | 4.52 | 3.21 | 1.85 | 1.47 |
| P90 | 1.10 | 1.70 | 2.65 | 4.16 | 4.30 | 4.91 | 5.10 | 4.65 | 3.72 | 2.60 | 1.51 | 1.17 |
Daily average per month in kWh/m² at 35° tilt, south-facing, including the terrain horizon of Pfaffenhofen an der Ilm. P90 = reached in 9 out of 10 years.
Optimal tilt angle in Pfaffenhofen an der Ilm
The annual optimum for Pfaffenhofen an der Ilm is 35° south; anything between 23° and 50° counts as equivalent (below 2% difference). For winter operation (off-grid) 65° is optimal, for summer use 20°. Flat-laid modules lose 14.8 % versus the optimum. Adjusting twice a year would add 2.9 % here, monthly adjustment 3.6 % — only relevant for adjustable mounts.
Is a balcony solar kit worth it in Pfaffenhofen an der Ilm?
A vertical south-facing railing in Pfaffenhofen an der Ilm harvests 992 kWh/m² per year — 70 % of what an optimally tilted 35° panel yields at the same spot. December softens the penalty: with the low winter sun, the vertical plane reaches 106 % of the 35° December value, computed from the same hourly data with its own plane transposition. Open the balcony solar calculator with these coordinates →
Neighbouring places compared
- Freising3.91 kWh/m²/d23 km
- Ingolstadt3.85 kWh/m²/d27 km
- Aichach3.88 kWh/m²/d29 km