In July, Des Moines typically sees daytime highs of 30.2°C and overnight lows around 17.8°C. Compared to the annual average high of 15.7°C, July runs +14.5°C.
July in Des Moines averages a daytime high of 30.2°C and an overnight low of 17.8°C.
July runs +14.5°C compared to Des Moines's annual average high of 15.7°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 30.2°C and cooler evenings around 17.8°C.