In April, Vacaville typically sees daytime highs of 21.7°C and overnight lows around 7.2°C. Compared to the annual average high of 23.0°C, April runs -1.3°C.
April in Vacaville averages a daytime high of 21.7°C and an overnight low of 7.2°C.
April runs -1.3°C compared to Vacaville's annual average high of 23.0°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 21.7°C and cooler evenings around 7.2°C.