Kesennuma's winters are chilly and unpredictable, with temperatures fluctuating between -16°C and 11°C, averaging around -1°C in January. As the season progresses, February brings slightly warmer temperatures, ranging from -11°C to 18°C, on average 2°C. Spring arrives in March, with a noticeable increase in temperature, spanning from -3°C to 21°C, averaging 7°C. Summer months bring warmth, with July being the hottest, reaching up to 36°C, but not consistently so. Autumn sees a return of cooler temperatures, ranging from 4°C to 28°C, on average around 15°C in October.