Winters in Copenhagen are chilly and unpredictable, with temperatures often fluctuating between just above freezing and subzero levels. Spring brings a slow warming trend, with March marking the first month where daytime highs can reach into the mid-teens. Summer is warm but not hot, with July being the warmest month on average, while autumn is mild and similar to spring in its gradual temperature decline. The coldest months are January and December, while the warmest months are June and July, though temperatures rarely exceed 30°C. Overall, Copenhagen's climate is characterized by a narrow temperature range, making it feel quite changeable throughout the year.