In October, Saint-Nazaire typically sees daytime highs of 16.8°C and overnight lows around 8.7°C. Compared to the annual average high of 15.7°C, October runs +1.0°C.
October in Saint-Nazaire averages a daytime high of 16.8°C and an overnight low of 8.7°C.
October runs +1.0°C compared to Saint-Nazaire's annual average high of 15.7°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 16.8°C and cooler evenings around 8.7°C.