In December, Shiwan typically sees daytime highs of 20.4°C and overnight lows around 11.3°C. Compared to the annual average high of 26.6°C, December runs -6.2°C.
December in Shiwan averages a daytime high of 20.4°C and an overnight low of 11.3°C.
December runs -6.2°C compared to Shiwan's annual average high of 26.6°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 20.4°C and cooler evenings around 11.3°C.