May in Mashhad averages a daily high of 28.2°C with nights around 14.1°C. Expect roughly 6.5 wet days totalling 26.9mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Mashhad is October.
Based on MASHHAD, IR (4.2km), 1995–2024. 23 years of May data.