February in Dubuque averages a daily high of 0.1°C with nights around -10.1°C. Expect roughly 7.4 wet days totalling 37.2mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Dubuque is August–September.
Based on DUBUQUE LOCK AND DAM 11, IA US (4.6km), 1995–2024. 29 years of February data.