May in Yazd averages a daily high of 33.3°C. Rain is rare — about 1.6 wet days and 3.7mm across the month. Generally workable, with some weather to plan around.
Across the year, the best time to visit Yazd is February–April.
Based on YAZD SHAHID SADOOGHI, IR (8.6km), 1995–2024. 17 years of May data.