March in Ames averages a daily high of 8.7°C with nights around -2.5°C. Expect roughly 8.3 wet days totalling 49.8mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Ames is September.
Based on AMES MUNICIPAL AIRPORT, IA US (4.9km), 1995–2024. 28 years of March data.