In January, Tsushima typically sees daytime highs of 7.5°C and overnight lows around -0.1°C. Compared to the annual average high of 19.1°C, January runs -11.6°C.
January in Tsushima averages a daytime high of 7.5°C and an overnight low of -0.1°C.
January runs -11.6°C compared to Tsushima's annual average high of 19.1°C, ranking #12 of 12 months by warmth.
Plan for daytime highs near 7.5°C and cooler evenings around -0.1°C.