In July, Bismarck typically sees daytime highs of 28.7°C and overnight lows around 13.2°C. Compared to the annual average high of 11.9°C, July runs +16.8°C.
July in Bismarck averages a daytime high of 28.7°C and an overnight low of 13.2°C.
July runs +16.8°C compared to Bismarck's annual average high of 11.9°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 28.7°C and cooler evenings around 13.2°C.