In December, Mertoyudan typically sees daytime highs of 30.6°C and overnight lows around 22.2°C. Compared to the annual average high of 30.5°C, December runs +0.1°C.
December in Mertoyudan averages a daytime high of 30.6°C and an overnight low of 22.2°C.
December runs +0.1°C compared to Mertoyudan's annual average high of 30.5°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 30.6°C and cooler evenings around 22.2°C.