January in Khomeyn averages a daily high of 6.4°C with nights around -5.2°C. Expect roughly 7.5 wet days totalling 33.9mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Khomeyn is May.
Based on ARAK, IR (59.5km), 1995–2024. 22 years of January data.