In March, Folsom typically sees daytime highs of 18.0°C and overnight lows around 5.5°C. Compared to the annual average high of 23.3°C, March runs -5.3°C.
March in Folsom averages a daytime high of 18.0°C and an overnight low of 5.5°C.
March runs -5.3°C compared to Folsom's annual average high of 23.3°C, ranking #8 of 12 months by warmth.
Plan for daytime highs near 18.0°C and cooler evenings around 5.5°C.