Location data · Saxony-Anhalt
Sun hours in Weißenfels
How sunny is Weißenfels? Over a year the sun delivers 1,361 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 3.73 peak sun hours per day in Weißenfels. In 9 out of 10 years at least 1,261 kWh/m² are reached. All values are computed from this location’s satellite hourly data, not estimated.
- Annual average (PSH)
- 3.73 kWh/m²/d
- P90 annual total
- 1,261 kWh/m²
- Optimal tilt
- 40°
- Terrain horizon max.
- 0.8°
Sun hours per month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PSH/day (35° south) | 1.33 | 2.31 | 3.54 | 5.08 | 5.50 | 5.75 | 5.57 | 5.11 | 4.39 | 2.98 | 1.83 | 1.29 |
| P90 | 0.93 | 1.49 | 2.65 | 4.23 | 4.78 | 4.99 | 5.02 | 4.52 | 3.65 | 2.40 | 1.40 | 1.01 |
Daily average per month in kWh/m² at 35° tilt, south-facing, including the terrain horizon of Weißenfels. P90 = reached in 9 out of 10 years.
Optimal tilt angle in Weißenfels
The annual optimum for Weißenfels 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 16.2 % versus the optimum. Adjusting twice a year would add 3.4 % here, monthly adjustment 4.3 % — only relevant for adjustable mounts.
Is a balcony solar kit worth it in Weißenfels?
A vertical south-facing railing in Weißenfels harvests 992 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 110 % 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
- Naumburg3.73 kWh/m²/d12 km
- Zeitz3.73 kWh/m²/d21 km
- Halle (Saale)3.71 kWh/m²/d31 km