Aalen's climate is characterized by cold winters, with temperatures frequently dropping below freezing in January and February. Spring arrives gradually, with March and April temperatures slowly warming up, but still experiencing occasional chilly days. Summer brings warm to hot temperatures from May to August, with July being the warmest month on average. Autumn months September to November are marked by a decline in temperature, returning to cooler averages by October and November. Winters return with dropping temperatures from December onwards, mirroring the cold start of the year.