View of Klagenfurt from Kreuzbergl, 8th district "Villacher Vorstadt", statutary city Klagenfurt on the Lake Woerth , Carinthia , Austria , EU

Austria · 10 kWp reference system

Klagenfurt solar forecast

Photo: Johann Jaritz, CC BY-SA 4.0. Cropped, resized and converted to WebP by GridPassport.

Wednesday, August 5, 2026

About 53.0 kWh tomorrow

For a standard 10 kWp south-facing system in Klagenfurt, GridPassport estimates 53.0 kWh on Wednesday, August 5, 2026, with a likely range of 46.3-56.3 kWh. The strongest production window is expected at 12:00-16:00 local time.

Updated Aug 4, 2026, 08:53 PM GMT+2 · fresh snapshot
Likely range
46.3-56.3 kWh
Strongest window
12:00-16:00
Confidence
high
Forecast my solar output

Typical year

Solar production month by month in Klagenfurt

A standard 10 kWp system produces about 12,497 kWh in a typical year at this location. Monthly averages show seasonality; they are not a forecast for a specific year.

Values are kWh per month. Source: European Commission JRC PVGIS.

What makes Klagenfurt's solar profile different? The typical annual yield is about 1,250 kWh per installed kWp, ranking Klagenfurt #2 of 6 modelled locations in Austria. That is 4% above the median of the 6 Austria locations in this dataset. July is typically the strongest month and December the weakest; the stronger month produces about 2.7 times as much.

See the 12-month data
MonthMonthly outputDaily averageYear-to-year variation
MonthJanuary Monthly output688 kWh Daily average22.2 kWh/day Year-to-year variation±203 kWh
MonthFebruary Monthly output881 kWh Daily average31.5 kWh/day Year-to-year variation±191 kWh
MonthMarch Monthly output1,187 kWh Daily average38.3 kWh/day Year-to-year variation±182 kWh
MonthApril Monthly output1,255 kWh Daily average41.8 kWh/day Year-to-year variation±152 kWh
MonthMay Monthly output1,309 kWh Daily average42.2 kWh/day Year-to-year variation±140 kWh
MonthJune Monthly output1,361 kWh Daily average45.4 kWh/day Year-to-year variation±120 kWh
MonthJuly Monthly output1,428 kWh Daily average46.0 kWh/day Year-to-year variation±94 kWh
MonthAugust Monthly output1,321 kWh Daily average42.6 kWh/day Year-to-year variation±123 kWh
MonthSeptember Monthly output1,118 kWh Daily average37.3 kWh/day Year-to-year variation±172 kWh
MonthOctober Monthly output892 kWh Daily average28.8 kWh/day Year-to-year variation±128 kWh
MonthNovember Monthly output534 kWh Daily average17.8 kWh/day Year-to-year variation±139 kWh
MonthDecember Monthly output524 kWh Daily average16.9 kWh/day Year-to-year variation±136 kWh

Nearby solar forecasts

Compare Klagenfurt with nearby cities

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Method and data

Every city uses a 10 kWp system facing south at 35 degrees with 14% system losses. Tomorrow's figure combines hourly weather with GridPassport's PV production and uncertainty model. The monthly profile uses the European Commission JRC PVGIS multi-year climate series. Roof direction, shade, snow, dirt, inverter clipping and local weather can change real output.