Rainwater planning

Bielsko-Biała rainfall profile for rainwater calculations

Monthly 1991–2020 precipitation normals for Bielsko-Biała, annual total and an example yield from a 100 m² roof.

998.6 mmAnnual total
80.9 m³Example: 100 m² roof, 0.9 × 0.9
1991–2020IMGW normal period
JanFebMarAprMayJunJulAugSepOctNovDecYear
45.246.658.667.8128.7131.6143.292.0110.272.756.845.2998.6

Source: IMGW-PIB Climate Portal, 1991–2020 climate normals, OPAD_SUMA. Normals are long-term averages, not a forecast for a specific year.