August in Tczew averages a daily high of 23°C with nights around 13.2°C. Expect roughly 14 wet days totalling 77.9mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Tczew is May–September.
Based on ELBLAG MILEJEWO, PL (43.5km), 1995–2024. 24 years of August data.