January in Cedar Rapids averages a daily high of -1.2°C with nights around -10°C. Expect roughly 8.6 wet days totalling 31mm. A hard month to visit for comfort alone.
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 January data.