April in Petrozavodsk averages a daily high of 6.7°C with nights around -1.3°C. Expect roughly 10.6 wet days totalling 32.8mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Petrozavodsk is June–August.
Based on PETROZAWODSK, RS (5.5km), 1995–2024. 23 years of April data.