In December, Mong Cai typically sees daytime highs of 19.8°C and overnight lows around 12.0°C. Compared to the annual average high of 25.8°C, December runs -5.9°C.
December in Mong Cai averages a daytime high of 19.8°C and an overnight low of 12.0°C.
December runs -5.9°C compared to Mong Cai's annual average high of 25.8°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 19.8°C and cooler evenings around 12.0°C.