In October, Perris typically sees daytime highs of 27.6°C and overnight lows around 9.8°C. Compared to the annual average high of 25.5°C, October runs +2.2°C.
October in Perris averages a daytime high of 27.6°C and an overnight low of 9.8°C.
October runs +2.2°C compared to Perris's annual average high of 25.5°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 27.6°C and cooler evenings around 9.8°C.