In December, Danbury typically sees daytime highs of 3.2°C and overnight lows around -5.7°C. Compared to the annual average high of 14.9°C, December runs -11.7°C.
December in Danbury averages a daytime high of 3.2°C and an overnight low of -5.7°C.
December runs -11.7°C compared to Danbury's annual average high of 14.9°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 3.2°C and cooler evenings around -5.7°C.