In April, Walnut Creek typically sees daytime highs of 19.0°C and overnight lows around 7.1°C. Compared to the annual average high of 20.0°C, April runs -1.0°C.
April in Walnut Creek averages a daytime high of 19.0°C and an overnight low of 7.1°C.
April runs -1.0°C compared to Walnut Creek's annual average high of 20.0°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 19.0°C and cooler evenings around 7.1°C.