In April, Mission Viejo typically sees daytime highs of 21.0°C and overnight lows around 8.7°C. Compared to the annual average high of 23.2°C, April runs -2.1°C.
April in Mission Viejo averages a daytime high of 21.0°C and an overnight low of 8.7°C.
April runs -2.1°C compared to Mission Viejo's annual average high of 23.2°C, ranking #8 of 12 months by warmth.
Plan for daytime highs near 21.0°C and cooler evenings around 8.7°C.