In March, Vallejo typically sees daytime highs of 17.5°C and overnight lows around 5.8°C. Compared to the annual average high of 20.8°C, March runs -3.3°C.
March in Vallejo averages a daytime high of 17.5°C and an overnight low of 5.8°C.
March runs -3.3°C compared to Vallejo's annual average high of 20.8°C, ranking #9 of 12 months by warmth.
Plan for daytime highs near 17.5°C and cooler evenings around 5.8°C.