In December, Vannes typically sees daytime highs of 8.8°C and overnight lows around 3.2°C. Compared to the annual average high of 15.0°C, December runs -6.2°C.
December in Vannes averages a daytime high of 8.8°C and an overnight low of 3.2°C.
December runs -6.2°C compared to Vannes's annual average high of 15.0°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 8.8°C and cooler evenings around 3.2°C.