In October, Fairfield typically sees daytime highs of 24.4°C and overnight lows around 9.5°C. Compared to the annual average high of 21.5°C, October runs +2.8°C.
October in Fairfield averages a daytime high of 24.4°C and an overnight low of 9.5°C.
October runs +2.8°C compared to Fairfield's annual average high of 21.5°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 24.4°C and cooler evenings around 9.5°C.