In July, Folsom typically sees daytime highs of 34.3°C and overnight lows around 15.4°C. Compared to the annual average high of 23.3°C, July runs +11.0°C.
July in Folsom averages a daytime high of 34.3°C and an overnight low of 15.4°C.
July runs +11.0°C compared to Folsom's annual average high of 23.3°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 34.3°C and cooler evenings around 15.4°C.