In December, Hirosaki typically sees daytime highs of 3.0°C and overnight lows around -2.4°C. Compared to the annual average high of 13.0°C, December runs -9.9°C.
December in Hirosaki averages a daytime high of 3.0°C and an overnight low of -2.4°C.
December runs -9.9°C compared to Hirosaki's annual average high of 13.0°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 3.0°C and cooler evenings around -2.4°C.