April in Cluj-Napoca averages a daily high of 16.5°C with nights around 4.6°C. Expect roughly 10.9 wet days totalling 50.6mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Cluj-Napoca is May–September.
Based on CLUJ NAPOCA, RO (3.1km), 1995–2024. 30 years of April data.