Montauban's winters are cool and unpredictable, with temperatures often dropping below freezing in January and February, but also experiencing mild days. As spring arrives in March and April, temperatures gradually warm up, reaching averages around 10-12°C, with occasional warmth into the mid-twenties. Summer months of June to August bring hot weather, with averages ranging from 21-22°C, while September marks a slight cooling trend. Autumn is characterized by mild temperatures, often dipping below freezing in November and December, but still experiencing some warm days.