April in Schaumburg averages a daily high of 14.6°C with nights around 3.1°C. Expect roughly 12.9 wet days totalling 98mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Schaumburg is June–September.
Based on BARRINGTON 3 SW, IL US (11.3km), 1995–2024. 25 years of April data.