Turku's winters are long and chilly, with temperatures often dropping below freezing point, averaging around -4°C in January. Spring arrives slowly, with temperatures gradually warming up by April, when average highs reach a relatively mild 18°C. Summers are warm and sunny, with July being the warmest month, averaging 20°C, but still cool enough to enjoy outdoor activities without excessive heat. Autumn brings back the chill, with temperatures dropping steadily from September onwards, and winters return, with some months experiencing extreme cold snaps. Overall, Turku's climate is characterized by moderate temperatures and plenty of precipitation throughout the year.