In December, Welland typically sees daytime highs of 2.5°C and overnight lows around -4.4°C. Compared to the annual average high of 13.2°C, December runs -10.7°C.
December in Welland averages a daytime high of 2.5°C and an overnight low of -4.4°C.
December runs -10.7°C compared to Welland's annual average high of 13.2°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 2.5°C and cooler evenings around -4.4°C.