In July, Waukesha typically sees daytime highs of 27.1°C and overnight lows around 15.5°C. Compared to the annual average high of 12.9°C, July runs +14.3°C.
July in Waukesha averages a daytime high of 27.1°C and an overnight low of 15.5°C.
July runs +14.3°C compared to Waukesha's annual average high of 12.9°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 27.1°C and cooler evenings around 15.5°C.