In December, Saint-Denis typically sees daytime highs of 6.7°C and overnight lows around 1.5°C. Compared to the annual average high of 14.9°C, December runs -8.3°C.
December in Saint-Denis averages a daytime high of 6.7°C and an overnight low of 1.5°C.
December runs -8.3°C compared to Saint-Denis's annual average high of 14.9°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 6.7°C and cooler evenings around 1.5°C.