Colmar's winters are chilly, with temperatures often below freezing in January and February, but can rise briefly to mild highs. As spring approaches, temperatures gradually warm up, with March and April seeing a steady increase towards pleasant highs. Summer months bring warmth, with June being the warmest month, but temperatures remain relatively stable throughout July and August. Autumn is characterized by a return to cooler temperatures, with September being particularly crisp before a brief warming in October. The winter chill returns in November and December, with temperatures hovering just above freezing.