In July, Nampa typically sees daytime highs of 33.1°C and overnight lows around 13.6°C. Compared to the annual average high of 18.2°C, July runs +14.9°C.
July in Nampa averages a daytime high of 33.1°C and an overnight low of 13.6°C.
July runs +14.9°C compared to Nampa's annual average high of 18.2°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 33.1°C and cooler evenings around 13.6°C.