In March, Riverside typically sees daytime highs of 20.7°C and overnight lows around 6.0°C. Compared to the annual average high of 25.7°C, March runs -5.0°C.
March in Riverside averages a daytime high of 20.7°C and an overnight low of 6.0°C.
March runs -5.0°C compared to Riverside's annual average high of 25.7°C, ranking #9 of 12 months by warmth.
Plan for daytime highs near 20.7°C and cooler evenings around 6.0°C.