Winters in Musashimurayama are harsh, with temperatures often dropping below -30°C and averaging around -1°C. The coldest months are January and February, with occasional temperatures rising above freezing only briefly. Spring arrives in March, bringing warmer temperatures that gradually increase over the month, peaking at an average of 8°C by April. Summer is hot and humid, with July and August being the warmest months, often seeing temperatures soar above 35°C. Autumn brings mild temperatures, but a chill returns in November, mirroring the winter conditions.