In July, Mission Viejo typically sees daytime highs of 28.1°C and overnight lows around 15.1°C. Compared to the annual average high of 23.2°C, July runs +4.9°C.
July in Mission Viejo averages a daytime high of 28.1°C and an overnight low of 15.1°C.
July runs +4.9°C compared to Mission Viejo's annual average high of 23.2°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 28.1°C and cooler evenings around 15.1°C.