Chesterfield's winters are cold and variable, with temperatures often below freezing, especially in January and February. Spring is a gradual warming period, with March marking the beginning of more consistent mild days. Summer brings warm temperatures, with June and July experiencing the highest averages around 25°C, but highs can occasionally reach over 38°C. Autumn returns to a slightly cooler climate, with September's warmth giving way to October's gentle chill by month's end. Winter returns in December, with temperatures similar to those of January, ending the year on a cold note.