January in Schaumburg averages a daily high of -1.5°C with nights around -9.6°C. Expect roughly 10.7 wet days totalling 50.3mm. A hard month to visit for comfort alone.
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 January data.