In July, Dubuque typically sees daytime highs of 28.4°C and overnight lows around 16.5°C. Compared to the annual average high of 13.9°C, July runs +14.6°C.
July in Dubuque averages a daytime high of 28.4°C and an overnight low of 16.5°C.
July runs +14.6°C compared to Dubuque's annual average high of 13.9°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 28.4°C and cooler evenings around 16.5°C.