In October, Matsuyama typically sees daytime highs of 20.8°C and overnight lows around 12.9°C. Compared to the annual average high of 18.3°C, October runs +2.5°C.
October in Matsuyama averages a daytime high of 20.8°C and an overnight low of 12.9°C.
October runs +2.5°C compared to Matsuyama's annual average high of 18.3°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 20.8°C and cooler evenings around 12.9°C.