In December, Otaru typically sees daytime highs of -0.4°C and overnight lows around -6.5°C. Compared to the annual average high of 10.2°C, December runs -10.6°C.
December in Otaru averages a daytime high of -0.4°C and an overnight low of -6.5°C.
December runs -10.6°C compared to Otaru's annual average high of 10.2°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near -0.4°C and cooler evenings around -6.5°C.