Location data · Brandenburg
Sun hours in Guben
How sunny is Guben? Over a year the sun delivers 1,307 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 3.58 peak sun hours per day in Guben. In 9 out of 10 years at least 1,214 kWh/m² are reached. All values are computed from this location’s satellite hourly data, not estimated.
- Annual average (PSH)
- 3.58 kWh/m²/d
- P90 annual total
- 1,214 kWh/m²
- Optimal tilt
- 40°
- Terrain horizon max.
- 1.5°
Sun hours per month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PSH/day (35° south) | 1.24 | 2.24 | 3.45 | 4.94 | 5.25 | 5.54 | 5.45 | 5.02 | 4.30 | 2.81 | 1.57 | 1.13 |
| P90 | 0.94 | 1.46 | 2.72 | 3.90 | 4.49 | 4.82 | 4.92 | 4.35 | 3.57 | 2.01 | 1.13 | 0.86 |
Daily average per month in kWh/m² at 35° tilt, south-facing, including the terrain horizon of Guben. P90 = reached in 9 out of 10 years.
Optimal tilt angle in Guben
The annual optimum for Guben is 40° south; anything between 25° and 52° counts as equivalent (below 2% difference). For winter operation (off-grid) 65° is optimal, for summer use 20°. Flat-laid modules lose 15.8 % versus the optimum. Adjusting twice a year would add 3.0 % here, monthly adjustment 3.8 % — only relevant for adjustable mounts.
Is a balcony solar kit worth it in Guben?
A vertical south-facing railing in Guben harvests 953 kWh/m² per year — 73 % 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 121 % 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
- Eisenhüttenstadt3.57 kWh/m²/d23 km
- Forst (Lausitz)3.57 kWh/m²/d24 km
- Cottbus3.66 kWh/m²/d34 km