In December, Nanjing typically sees daytime highs of 9.3°C and overnight lows around 0.2°C. Compared to the annual average high of 19.9°C, December runs -10.7°C.
December in Nanjing averages a daytime high of 9.3°C and an overnight low of 0.2°C.
December runs -10.7°C compared to Nanjing's annual average high of 19.9°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 9.3°C and cooler evenings around 0.2°C.