May in Merzifon averages a daily high of 23°C with nights around 7.9°C. Expect roughly 13.7 wet days totalling 63mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Merzifon is September–October.
Based on CORUM, TU (56.2km), 1995–2024. 24 years of May data.