In December, Nagahama typically sees daytime highs of 8.8°C and overnight lows around 0.1°C. Compared to the annual average high of 17.8°C, December runs -9.0°C.
December in Nagahama averages a daytime high of 8.8°C and an overnight low of 0.1°C.
December runs -9.0°C compared to Nagahama's annual average high of 17.8°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 8.8°C and cooler evenings around 0.1°C.