Winters in Kampen are cool and sometimes frigid, with temperatures often below freezing. January is the coldest month, averaging just 3 degrees Celsius. Spring brings gradual warming, with March and April temperatures rising above average highs of around 6 degrees Celsius. Summer months from June to August are mild and pleasant, with temperatures often reaching into the mid-twenties, peaking in June at an average high of 19 degrees Celsius. Autumn sees a return to cooler temperatures, mirroring the winter pattern, although not as extreme.