Winters in Minami-Soma are cold and variable, with temperatures often dipping below freezing in January and February, but occasionally rising above 19°C. Spring brings a steady warming trend, with March marking the beginning of more consistent highs around 25°C. Summer is warm to hot, with July and August seeing peak temperatures near or above 37°C, while autumn returns to milder conditions, with September and October experiencing average highs in the mid-to-upper teens Celsius. The winter months tend to be chillier than the summer, although the temperature range is relatively narrow throughout the year.