In March, Saint-Nazaire typically sees daytime highs of 12.1°C and overnight lows around 3.9°C. Compared to the annual average high of 15.7°C, March runs -3.7°C.
March in Saint-Nazaire averages a daytime high of 12.1°C and an overnight low of 3.9°C.
March runs -3.7°C compared to Saint-Nazaire's annual average high of 15.7°C, ranking #8 of 12 months by warmth.
Plan for daytime highs near 12.1°C and cooler evenings around 3.9°C.