Vacaville Climate Graph - California Climate Chart
Climate summaryWhat is the average weather in Vacaville, California?
Vacaville experiences a hot-summer climate with dry summers and wetter winters. Summers are hot, while winters are cool. The area receives moderate precipitation annually, with frequent rain or drizzle common during the cooler season, contrasting with very dry summer months.
Based on climate normals · 1991–2020 Vacaville weather averages