In December, Ashikaga typically sees daytime highs of 10.5°C and overnight lows around 0.2°C. Compared to the annual average high of 18.5°C, December runs -8.0°C.
December in Ashikaga averages a daytime high of 10.5°C and an overnight low of 0.2°C.
December runs -8.0°C compared to Ashikaga's annual average high of 18.5°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 10.5°C and cooler evenings around 0.2°C.