In October, Cergy typically sees daytime highs of 15.2°C and overnight lows around 6.5°C. Compared to the annual average high of 14.6°C, October runs +0.6°C.
October in Cergy averages a daytime high of 15.2°C and an overnight low of 6.5°C.
October runs +0.6°C compared to Cergy's annual average high of 14.6°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 15.2°C and cooler evenings around 6.5°C.