In December, Quincy typically sees daytime highs of 3.6°C and overnight lows around -5.7°C. Compared to the annual average high of 15.0°C, December runs -11.4°C.
December in Quincy averages a daytime high of 3.6°C and an overnight low of -5.7°C.
December runs -11.4°C compared to Quincy's annual average high of 15.0°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 3.6°C and cooler evenings around -5.7°C.