In December, Trois-Rivieres typically sees daytime highs of -4.2°C and overnight lows around -13.3°C. Compared to the annual average high of 10.1°C, December runs -14.3°C.
December in Trois-Rivieres averages a daytime high of -4.2°C and an overnight low of -13.3°C.
December runs -14.3°C compared to Trois-Rivieres's annual average high of 10.1°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near -4.2°C and cooler evenings around -13.3°C.