Finland Solar Forecast

Across 6 modelled locations in Finland, a standard 10 kWp south-facing system produces about 8,887 kWh in a typical year on average. Tomorrow's weather-based city forecasts range from 5.3 to 57.9 kWh for the same reference setup.

Forecast for Wednesday, August 5, 2026 · Updated Aug 4, 2026, 06:53 PM UTC · City samples, not a national production forecast

Tomorrow in Finland

One system. Different local weather.

Using the same installation in every location isolates the effect of weather and geography. Enter your own roof on any city page for a personal estimate.

City average
30.2 kWh
Lowest city estimate
5.3 kWh
Highest city estimate
57.9 kWh

Typical year

Monthly solar production across Finland

The bars average the 6 city reference points. Typical annual output ranges from about 8,088 to 9,667 kWh for the 10 kWp setup. Of the locations modelled, Helsinki has the highest typical annual output and Rovaniemi the lowest.

January98 kWh
February328 kWh
March871 kWh
April1,160 kWh
May1,396 kWh
June1,374 kWh
July1,320 kWh
August1,099 kWh
September708 kWh
October382 kWh
November105 kWh
December45 kWh

Typical monthly profiles use the European Commission JRC PVGIS multi-year climate series.

Local profiles

All 6 Finland city forecasts