Nakatsugawa, Japan experiences a significant temperature range throughout the year. Winters are chilly, with January and December averaging around 4°C and 6°C respectively, and occasionally dropping below -7°C. As spring approaches, temperatures gradually rise, reaching averages of 14°C in April and 19°C in May. Summers are hot, especially from June to August, with average highs often surpassing 30°C. Autumn brings a slight cooling trend, but temperatures still remain relatively mild, averaging around 12°C in November.