March in Semnan averages a daily high of 19°C with nights around 7.9°C. Expect roughly 3.9 wet days totalling 14.7mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Semnan is March–April.
Based on SEMNAN, IR (9.4km), 1995–2024. 19 years of March data.