Drammen's climate is characterized by cold winters with temperatures often below freezing, but also mild periods that allow for some snowmelt. Spring arrives in March with temperatures gradually warming up, and by May the average temperature has risen to around 9°C, marking a significant shift towards milder conditions. Summer brings warm days, with July being the warmest month, but the overall trend is stable temperatures around 17°C. Autumn starts to cool down in September, with temperatures slowly dropping, and winter returns in November with chilly temperatures. The coldest months are January and December, while May and June experience a more pronounced warming up.