Coimbra's climate is mild and temperate, with temperatures gradually warming up as spring approaches. In winter, January and February are chilly, with average highs in the mid-10s Celsius, while March marks a turning point with rising temperatures that continue into April and May. The summer months of June to September bring warm weather, with July often being the hottest, but temperatures rarely exceed 37°C. Autumn is mild, similar to spring, with temperatures dropping back down as winter approaches once more.