In July, Santa Rosa typically sees daytime highs of 28.0°C and overnight lows around 11.1°C. Compared to the annual average high of 20.4°C, July runs +7.5°C.
July in Santa Rosa averages a daytime high of 28.0°C and an overnight low of 11.1°C.
July runs +7.5°C compared to Santa Rosa's annual average high of 20.4°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 28.0°C and cooler evenings around 11.1°C.