August in Khomeyn averages a daily high of 35.1°C with nights around 18.5°C. Rain is rare — about 0.5 wet days and 0.8mm 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. 22 years of August data.