Cologne - Five-Day Weather ForecastCologne ClimateCologne has a pleasant climate with warm summers, mild winters and an average annual rainfall of 760 millimetres (30 inches): between 50 and 75 millimetres (two and three inches) each month. Average temperatures range from around 1° Celsius (34° Fahrenheit) in January to 20° Celsius (68° Fahrenheit) in July and August.
Cologne Climate Chart