In July, Santa Rosa typically sees daytime highs of 15.0°C and overnight lows around 1.5°C. Compared to the annual average high of 23.4°C, July runs -8.3°C.
July in Santa Rosa averages a daytime high of 15.0°C and an overnight low of 1.5°C.
July runs -8.3°C compared to Santa Rosa's annual average high of 23.4°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 15.0°C and cooler evenings around 1.5°C.