March in Lāhījān averages a daily high of 13.1°C with nights around 8.5°C. Expect roughly 10.4 wet days totalling 82.8mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Lāhījān is May–June.
Based on ANZALI, IR (56.1km), 1995–2024. 18 years of March data.