April in Gdańsk averages a daily high of 12.7°C with nights around 3.4°C. Expect roughly 10.6 wet days totalling 34.6mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Gdańsk is May–September.
Based on ELBLAG MILEJEWO, PL (54.9km), 1995–2024. 24 years of April data.