Dearborn's winters are typically cold, with temperatures often below freezing and occasional drops to around -27°C in February. Spring arrives slowly, with March seeing a rise to average temperatures of 5°C, but April and May bring further warming, with highs reaching up to 28°C and 31°C respectively. Summer is mild, with little variation between June, July, and August, when temperatures average around 22-23°C. Autumn is similar to spring, with temperatures gradually cooling as the seasons change, before dropping back down into winter. Overall, Dearborn's temperature fluctuations are moderate throughout the year, with minimal extremes in any direction.