Kitakoriyamacho experiences a gradual warming trend throughout the spring months, with temperatures rising steadily from around 6°C in January to an average of 14°C by April. Summer brings sweltering heat, with highs often reaching over 30°C and averaging 27°C in July and August. Autumn sees a return to milder temperatures, with September's average dipping slightly to 24°C before gradually cooling further into October's 19°C. Winters are relatively mild, with temperatures ranging from around -2°C to 17°C, making for a relatively consistent climate year-round. The temperature fluctuations between seasons are generally more pronounced than those within individual months, resulting in distinct seasonal patterns.