Kamagaya's winters are chilly, with temperatures often below freezing in January and December, but mild February days can reach up to 22°C. As spring arrives in March, temperatures rise steadily, with April and May bringing warm days that occasionally soar above 30°C. Summer is hot and humid, with July and August temperatures frequently reaching over 35°C, while autumn brings a welcome cool-down, with October's temperatures returning to more moderate levels. By November, the mercury drops again, setting the stage for another cold winter. The temperature fluctuations are quite pronounced throughout the year, with no clear distinction between seasons in terms of stable temperature ranges.