In July, Great Falls typically sees daytime highs of 28.4°C and overnight lows around 10.5°C. Compared to the annual average high of 13.8°C, July runs +14.6°C.
July in Great Falls averages a daytime high of 28.4°C and an overnight low of 10.5°C.
July runs +14.6°C compared to Great Falls's annual average high of 13.8°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 28.4°C and cooler evenings around 10.5°C.