In June, Vallejo typically sees daytime highs of 25.2°C and overnight lows around 10.7°C. Compared to the annual average high of 20.8°C, June runs +4.4°C.
June in Vallejo averages a daytime high of 25.2°C and an overnight low of 10.7°C.
June runs +4.4°C compared to Vallejo's annual average high of 20.8°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 25.2°C and cooler evenings around 10.7°C.