Setubal's winters are mild, with temperatures rarely dipping below freezing and averaging around 10-13°C in January and February. Spring brings gentle warming, with April and May temperatures gradually increasing towards a high of 29°C. Summer is warm to hot, with July and August often reaching highs above 35°C, while September brings a welcome cooling trend. Autumn is generally mild, with October and November temperatures returning to averages around 14-20°C before dropping into the cooler winter months again.