Winters in Ina, Japan are cold and unpredictable, with temperatures often dropping below freezing. The coldest months, January and February, see average temperatures around 1°C and 3°C respectively, while the warmer days can reach up to 16°C or 22°C. As spring approaches, temperatures gradually rise, with March and April experiencing averages of 8°C and 11°C, respectively. Summers are warm and humid, with July and August averaging highs around 25°C and lows often staying above 18°C. Autumn brings a return to milder conditions, similar to those experienced in the spring, before winter sets back in.