In June, Grand Junction typically sees daytime highs of 30.4°C and overnight lows around 12.7°C. Compared to the annual average high of 18.9°C, June runs +11.5°C.
June in Grand Junction averages a daytime high of 30.4°C and an overnight low of 12.7°C.
June runs +11.5°C compared to Grand Junction's annual average high of 18.9°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 30.4°C and cooler evenings around 12.7°C.