In December, Komatsu typically sees daytime highs of 10.3°C and overnight lows around 2.9°C. Compared to the annual average high of 18.2°C, December runs -7.9°C.
December in Komatsu averages a daytime high of 10.3°C and an overnight low of 2.9°C.
December runs -7.9°C compared to Komatsu's annual average high of 18.2°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 10.3°C and cooler evenings around 2.9°C.