April in Zanjan averages a daily high of 18.2°C with nights around 4.8°C. Expect roughly 8.3 wet days totalling 46.6mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Zanjan is September–October.
Based on ZANJAN, IR (16.4km), 1995–2024. 16 years of April data.