In October, Katori-shi typically sees daytime highs of 20.5°C and overnight lows around 13.1°C. Compared to the annual average high of 18.8°C, October runs +1.7°C.
October in Katori-shi averages a daytime high of 20.5°C and an overnight low of 13.1°C.
October runs +1.7°C compared to Katori-shi's annual average high of 18.8°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 20.5°C and cooler evenings around 13.1°C.