In December, Iida typically sees daytime highs of 5.3°C and overnight lows around -5.2°C. Compared to the annual average high of 15.0°C, December runs -9.6°C.
December in Iida averages a daytime high of 5.3°C and an overnight low of -5.2°C.
December runs -9.6°C compared to Iida's annual average high of 15.0°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 5.3°C and cooler evenings around -5.2°C.