In April, Watsonville typically sees daytime highs of 18.9°C and overnight lows around 7.4°C. Compared to the annual average high of 20.1°C, April runs -1.3°C.
April in Watsonville averages a daytime high of 18.9°C and an overnight low of 7.4°C.
April runs -1.3°C compared to Watsonville's annual average high of 20.1°C, ranking #8 of 12 months by warmth.
Plan for daytime highs near 18.9°C and cooler evenings around 7.4°C.