In December, Shiogama typically sees daytime highs of 7.5°C and overnight lows around 0.3°C. Compared to the annual average high of 15.7°C, December runs -8.1°C.
December in Shiogama averages a daytime high of 7.5°C and an overnight low of 0.3°C.
December runs -8.1°C compared to Shiogama's annual average high of 15.7°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 7.5°C and cooler evenings around 0.3°C.