Badalona's climate is mild and temperate, with a distinct seasonal pattern. Winters are cool, with temperatures ranging from just below freezing to the mid-20s Celsius in January and December, averaging around 8-12°C. As spring approaches, temperatures rise steadily, reaching an average of 13-17°C by April and May. Summers are warm and sunny, with July and August being the hottest months, but even then, temperatures rarely exceed 38°C. Autumn brings a return to mild weather, with temperatures dropping back down to around 10-12°C by November and December.