April in Ann Arbor averages a daily high of 14.9°C with nights around 1.5°C. Expect roughly 13.7 wet days totalling 80.9mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Ann Arbor is May–June.
Based on ANN ARBOR SE, MI US (5.6km), 1995–2024. 21 years of April data.