April in Ames averages a daily high of 16.5°C with nights around 3.4°C. Expect roughly 11.1 wet days totalling 98.9mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Ames is September.
Based on AMES MUNICIPAL AIRPORT, IA US (4.9km), 1995–2024. 27 years of April data.