In January, Dubuque typically sees daytime highs of -3.5°C and overnight lows around -13.2°C. Compared to the annual average high of 13.9°C, January runs -17.4°C.
January in Dubuque averages a daytime high of -3.5°C and an overnight low of -13.2°C.
January runs -17.4°C compared to Dubuque's annual average high of 13.9°C, ranking #12 of 12 months by warmth.
Plan for daytime highs near -3.5°C and cooler evenings around -13.2°C.