Suwa, Japan experiences a distinct seasonal pattern. Winters are cold and snowy, with temperatures ranging from -12°C to 14°C in January and December, averaging around 0-2°C. As spring arrives, temperatures gradually warm up, reaching averages of 10°C in April and 16°C in May. Summers are hot and humid, with temperatures often exceeding 30°C from June to August, while autumns bring a return to mild temperatures, ranging from 9°C to 29°C in September and October.