Winters in Cuxhaven are cold and quite changeable, with temperatures often fluctuating between freezing point and mild days. January is the coldest month on average, but February can be even chillier due to occasional drops below -15C. Spring arrives slowly, with March temperatures gradually warming up towards the end of the month, while April brings more consistent highs above 10C. Summer months are relatively cool, with July and August averaging around 19C, but still experiencing some cooler days, especially in the mornings. Autumn brings a return to cooler temperatures, with November often being quite chilly again, similar to January.