In March, Saint-Brieuc typically sees daytime highs of 10.6°C and overnight lows around 4.2°C. Compared to the annual average high of 14.1°C, March runs -3.5°C.
March in Saint-Brieuc averages a daytime high of 10.6°C and an overnight low of 4.2°C.
March runs -3.5°C compared to Saint-Brieuc's annual average high of 14.1°C, ranking #9 of 12 months by warmth.
Plan for daytime highs near 10.6°C and cooler evenings around 4.2°C.