In July, Saint-Nazaire typically sees daytime highs of 23.3°C and overnight lows around 13.3°C. Compared to the annual average high of 15.7°C, July runs +7.5°C.
July in Saint-Nazaire averages a daytime high of 23.3°C and an overnight low of 13.3°C.
July runs +7.5°C compared to Saint-Nazaire's annual average high of 15.7°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 23.3°C and cooler evenings around 13.3°C.