In December, Izumi typically sees daytime highs of 11.6°C and overnight lows around 4.3°C. Compared to the annual average high of 19.9°C, December runs -8.3°C.
December in Izumi averages a daytime high of 11.6°C and an overnight low of 4.3°C.
December runs -8.3°C compared to Izumi's annual average high of 19.9°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 11.6°C and cooler evenings around 4.3°C.