Location data · Baden-Württemberg
Sun hours in Waldkirch
How sunny is Waldkirch? Over a year the sun delivers 1,300 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 3.56 peak sun hours per day in Waldkirch. In 9 out of 10 years at least 1,199 kWh/m² are reached. All values are computed from this location’s satellite hourly data, not estimated.
- Annual average (PSH)
- 3.56 kWh/m²/d
- P90 annual total
- 1,199 kWh/m²
- Optimal tilt
- 30°
- Terrain horizon max.
- 19.9°
Sun hours per month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PSH/day (35° south) | 1.33 | 2.43 | 3.70 | 4.62 | 4.69 | 5.26 | 5.47 | 5.05 | 4.38 | 3.01 | 1.62 | 1.12 |
| P90 | 1.02 | 1.90 | 3.02 | 3.58 | 4.09 | 4.48 | 4.70 | 4.27 | 3.92 | 2.49 | 1.11 | 0.77 |
Daily average per month in kWh/m² at 35° tilt, south-facing, including the terrain horizon of Waldkirch. P90 = reached in 9 out of 10 years.
Optimal tilt angle in Waldkirch
The annual optimum for Waldkirch is 30° south; anything between 18° and 46° counts as equivalent (below 2% difference). For winter operation (off-grid) 50° is optimal, for summer use 20°. Flat-laid modules lose 10.8 % versus the optimum. Adjusting twice a year would add 2.2 % here, monthly adjustment 2.5 % — only relevant for adjustable mounts.
Is a balcony solar kit worth it in Waldkirch?
A vertical south-facing railing in Waldkirch harvests 878 kWh/m² per year — 68 % 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 93 % 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
- Freiburg im Breisgau3.93 kWh/m²/d14 km
- Lahr/Schwarzwald3.99 kWh/m²/d28 km
- Villingen-Schwenningen3.97 kWh/m²/d40 km