In December, Kaiyuan typically sees daytime highs of -4.6°C and overnight lows around -16.6°C. Compared to the annual average high of 12.8°C, December runs -17.4°C.
December in Kaiyuan averages a daytime high of -4.6°C and an overnight low of -16.6°C.
December runs -17.4°C compared to Kaiyuan's annual average high of 12.8°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near -4.6°C and cooler evenings around -16.6°C.