In December, Sishui typically sees daytime highs of 5.5°C and overnight lows around -4.8°C. Compared to the annual average high of 18.6°C, December runs -13.0°C.
December in Sishui averages a daytime high of 5.5°C and an overnight low of -4.8°C.
December runs -13.0°C compared to Sishui's annual average high of 18.6°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 5.5°C and cooler evenings around -4.8°C.