In December, Gannan typically sees daytime highs of -11.8°C and overnight lows around -23.0°C. Compared to the annual average high of 8.7°C, December runs -20.5°C.
December in Gannan averages a daytime high of -11.8°C and an overnight low of -23.0°C.
December runs -20.5°C compared to Gannan's annual average high of 8.7°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near -11.8°C and cooler evenings around -23.0°C.