In April, Otaru typically sees daytime highs of 8.6°C and overnight lows around 0.4°C. Compared to the annual average high of 10.2°C, April runs -1.7°C.
April in Otaru averages a daytime high of 8.6°C and an overnight low of 0.4°C.
April runs -1.7°C compared to Otaru's annual average high of 10.2°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 8.6°C and cooler evenings around 0.4°C.