June in Khomeyn averages a daily high of 33.4°C with nights around 16.4°C. Rain is rare — about 1.3 wet days and 8.8mm across the month. Generally workable, with some weather to plan around.
Across the year, the best time to visit Khomeyn is May.
Based on ARAK, IR (59.5km), 1995–2024. 21 years of June data.