Winters in Santiago de Compostela are cool and mild, with temperatures ranging from around freezing to the mid-teens Celsius. Mornings can be chilly, but afternoons often warm up significantly, allowing for pleasant strolls through the city. Spring arrives in March, bringing gradually warmer days, with highs sometimes reaching into the late twenties. Summer months of June to August are warm and sunny, with temperatures frequently rising above 30C, while autumn returns to a more temperate climate, with occasional cooler snaps.