In July, Santa Rosa typically sees daytime highs of 20.3°C and overnight lows around 10.4°C. Compared to the annual average high of 25.7°C, July runs -5.4°C.
July in Santa Rosa averages a daytime high of 20.3°C and an overnight low of 10.4°C.
July runs -5.4°C compared to Santa Rosa's annual average high of 25.7°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 20.3°C and cooler evenings around 10.4°C.