In July, Grand Junction typically sees daytime highs of 33.8°C and overnight lows around 16.6°C. Compared to the annual average high of 18.9°C, July runs +14.9°C.
July in Grand Junction averages a daytime high of 33.8°C and an overnight low of 16.6°C.
July runs +14.9°C compared to Grand Junction's annual average high of 18.9°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 33.8°C and cooler evenings around 16.6°C.