In August, Vannes typically sees daytime highs of 22.1°C and overnight lows around 12.7°C. Compared to the annual average high of 15.0°C, August runs +7.1°C.
August in Vannes averages a daytime high of 22.1°C and an overnight low of 12.7°C.
August runs +7.1°C compared to Vannes's annual average high of 15.0°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 22.1°C and cooler evenings around 12.7°C.