Hildesheim's winters are typically chilly and variable, with temperatures often dropping below freezing in January and February. As the season progresses, March brings a noticeable warming trend, with temperatures rising into the mid-teens by month's end. Spring arrives in April and May, bringing mild temperatures that gradually increase towards the end of May, with some days reaching the high twenties. Summer is warm but not hot, with July being the warmest month, followed closely by June, when highs can reach the mid-thirties on occasion. Autumn returns in September and October, with temperatures cooling steadily as the season progresses, returning to chilly conditions by November and December.