In January, Nanjing typically sees daytime highs of 6.4°C and overnight lows around -1.8°C. Compared to the annual average high of 19.9°C, January runs -13.5°C.
January in Nanjing averages a daytime high of 6.4°C and an overnight low of -1.8°C.
January runs -13.5°C compared to Nanjing's annual average high of 19.9°C, ranking #12 of 12 months by warmth.
Plan for daytime highs near 6.4°C and cooler evenings around -1.8°C.