In October, Saint-Brieuc typically sees daytime highs of 15.4°C and overnight lows around 9.2°C. Compared to the annual average high of 14.1°C, October runs +1.3°C.
October in Saint-Brieuc averages a daytime high of 15.4°C and an overnight low of 9.2°C.
October runs +1.3°C compared to Saint-Brieuc's annual average high of 14.1°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 15.4°C and cooler evenings around 9.2°C.