January in Lāhījān averages a daily high of 11.7°C. Expect roughly 11.7 wet days totalling 147.3mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Lāhījān is May–June.
Based on ANZALI, IR (56.1km), 1995–2024. 18 years of January data.