In July, Idaho Falls typically sees daytime highs of 30.4°C and overnight lows around 10.5°C. Compared to the annual average high of 14.5°C, July runs +16.0°C.
July in Idaho Falls averages a daytime high of 30.4°C and an overnight low of 10.5°C.
July runs +16.0°C compared to Idaho Falls's annual average high of 14.5°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 30.4°C and cooler evenings around 10.5°C.