In October, Joetsu typically sees daytime highs of 19.5°C and overnight lows around 10.4°C. Compared to the annual average high of 17.1°C, October runs +2.4°C.
October in Joetsu averages a daytime high of 19.5°C and an overnight low of 10.4°C.
October runs +2.4°C compared to Joetsu's annual average high of 17.1°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 19.5°C and cooler evenings around 10.4°C.