June in Bielsko-Biala averages a daily high of 20.8°C with nights around 8.3°C. Expect roughly 16 wet days totalling 118.5mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Bielsko-Biala is June–August.
Based on ORAVSKA LESNA, LO (51.4km), 1995–2024. 26 years of June data.