In December, Saint-Marc typically sees daytime highs of 29.5°C and overnight lows around 21.8°C. Compared to the annual average high of 30.3°C, December runs -0.8°C.
December in Saint-Marc averages a daytime high of 29.5°C and an overnight low of 21.8°C.
December runs -0.8°C compared to Saint-Marc's annual average high of 30.3°C, ranking #9 of 12 months by warmth.
Plan for daytime highs near 29.5°C and cooler evenings around 21.8°C.