In Pulheim, Germany, winters are quite chilly with temperatures often below freezing, averaging around 0°C in January and 3°C in December. Spring brings moderate temperatures, gradually warming up from 4°C in April to 17°C in June, with May being the warmest month of the season. Summer is mild, with July and August averaging around 15°C, but with occasional heatwaves that can push temperatures above 30°C. Autumn is similar to spring, with temperatures slowly cooling down from 13°C in September to 4°C in November.