In April, Riverside typically sees daytime highs of 23.1°C and overnight lows around 7.7°C. Compared to the annual average high of 25.7°C, April runs -2.5°C.
April in Riverside averages a daytime high of 23.1°C and an overnight low of 7.7°C.
April runs -2.5°C compared to Riverside's annual average high of 25.7°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 23.1°C and cooler evenings around 7.7°C.