March in Saint Joseph averages a daily high of 12.9°C with nights around 0°C. Expect roughly 7.8 wet days totalling 51.2mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Saint Joseph is April–May.
Based on ST JOSEPH ROSECRANS MEMORIAL AIRPORT, MO US (5.4km), 1995–2024. 28 years of March data.