In April, Tsushima typically sees daytime highs of 17.9°C and overnight lows around 8.6°C. Compared to the annual average high of 19.1°C, April runs -1.2°C.
April in Tsushima averages a daytime high of 17.9°C and an overnight low of 8.6°C.
April runs -1.2°C compared to Tsushima's annual average high of 19.1°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 17.9°C and cooler evenings around 8.6°C.