Location data · North Rhine-Westphalia
Sun hours in Marsberg
How sunny is Marsberg? Over a year the sun delivers 1,235 kilowatt-hours onto every square metre here — in June roughly 5 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 3.38 peak sun hours per day in Marsberg. In 9 out of 10 years at least 1,148 kWh/m² are reached. All values are computed from this location’s satellite hourly data, not estimated.
- Annual average (PSH)
- 3.38 kWh/m²/d
- P90 annual total
- 1,148 kWh/m²
- Optimal tilt
- 35°
- Terrain horizon max.
- 8.4°
Sun hours per month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PSH/day (35° south) | 1.13 | 2.12 | 3.48 | 4.67 | 4.91 | 5.27 | 5.08 | 4.71 | 4.01 | 2.66 | 1.51 | 0.99 |
| P90 | 0.86 | 1.55 | 2.73 | 3.77 | 4.20 | 4.64 | 4.38 | 4.26 | 3.34 | 2.19 | 1.06 | 0.74 |
Daily average per month in kWh/m² at 35° tilt, south-facing, including the terrain horizon of Marsberg. P90 = reached in 9 out of 10 years.
Optimal tilt angle in Marsberg
The annual optimum for Marsberg 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 14.1 % 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 Marsberg?
A vertical south-facing railing in Marsberg harvests 881 kWh/m² per year — 71 % 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 104 % of the 35° December value, computed from the same hourly data with its own plane transposition. Open the balcony solar calculator with these coordinates →