In December, Jersey City typically sees daytime highs of 5.3°C and overnight lows around -2.7°C. Compared to the annual average high of 16.5°C, December runs -11.2°C.
December in Jersey City averages a daytime high of 5.3°C and an overnight low of -2.7°C.
December runs -11.2°C compared to Jersey City's annual average high of 16.5°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 5.3°C and cooler evenings around -2.7°C.