April in Cedar Rapids averages a daily high of 17.3°C with nights around 4.1°C. Expect roughly 11.2 wet days totalling 100.4mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Cedar Rapids is September.
Based on CEDAR RAPIDS NUMBER 1, IA US (6.5km), 1995–2024. 30 years of April data.