In December, Brest typically sees daytime highs of 0.8°C and overnight lows around -4.5°C. Compared to the annual average high of 11.9°C, December runs -11.2°C.
December in Brest averages a daytime high of 0.8°C and an overnight low of -4.5°C.
December runs -11.2°C compared to Brest's annual average high of 11.9°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 0.8°C and cooler evenings around -4.5°C.