Cologne, where it lies

In Cologne, a city located in Western Germany, in the state of North Rhine-Westphalia, as well as in the nearby city of Leverkusen, the climate is sub-oceanic, humid and rainy, influenced by the Atlantic Ocean, in fact, winters are cold but not freezing, while summers are mild.
Cologne is is the largest city of the metropolitan region called Rhine-Ruhr, which includes, in addition to those of the Ruhr, cities such as Düsseldorf, Wuppertal, Leverkusen, Mönchengladbach and Bonn.
The average temperature ranges from 2.5 °C (36.5 °F) in January to 19 °C (66 °F) in July. Here are the average temperatures.
Cologne - Average temperatures
Min (°C)-1-124811131310730
Max (°C)571115192224242015106
Min (°F)303036394652555550453732
Max (°F)414552596672757568595043

Precipitation is relatively abundant, about 800 millimeters (31.5 inches) per year, but above all it is frequent and well distributed over the seasons. However, the rainiest season (at least in quantity) is summer, the least rainy season is spring. Rainfall often occurs in the form of short shower or drizzle, whereas during the summer, thunderstorms can break out in the afternoon.
Here is the average precipitation.
Cologne - Average precipitation

The wind blows quite frequently, and can be intense, especially from November to March.

Winter, from December to February, is cold: daytime temperatures are on average a few degrees above freezing (0 °C or 32 °F), while at night they are around freezing; wind and humidity often exacerbate the feeling of cold.
However, different weather situations can occur.
When the westerlies blow, the temperature can be quite mild, and can reach 10/12 °C (50/54 °F).
On the other hand, when the city is reached by cold air masses from Eastern Europe, the temperature drops below freezing, for longer or shorter periods, even during the day. The temperature rarely drops below -15 °C (5 °F), however, it can do it during very cold periods, which in the past decades were more frequent. Here are some values recorded in the past: January 1940: -19 °C (-2 °F); January 1942: -25 °C (-13 °F); January 1979: -20 °C (-4 °F); January 1985: -23 °C (-9 °F); February 1986: -17 °C (1 °F); January 1987: -17 °C (1 °F); February 1991: -17 °C (1 °F).
Snowfalls in Cologne are quite frequent, though usually not abundant, and occur in the form of sleet or light snow, sometimes, however, snow can accumulate on the ground, and last for many days, if it occurs during cold waves.

Spring, from March to May, is initially cold, with possible snowfalls still in March, and then it gradually becomes milder in April and May, although some cold days, with highs around 10 °C (50 °F), can occur even in May, especially in the first half of the month.
Typically, in the second half of May the temperature becomes permanently acceptable, and there can be the first pleasantly warm days, with highs around 25 °C (77 °F) or even above.

Summer, from June to August, is mild, and the flow of Atlantic fronts does not cease even in this season. The wind blows quite often from the North Sea, which is not far, and even rainfall is quite frequent.
However, there are pleasant periods, with daytime temperatures between 20 °C and 25 °C (68 °F and 77 °F), but also cooler periods, with daytime temperatures remaining below 20 °C (68 °F). At night it can be a bit cold, in fact the temperature can drop below 10 °C (50 °F) even in July and August. Sometimes there can be hot days, when the temperature can reach 30/32 °C (86/90 °F). The highest record is 39 °C (102 °F).

Autumn, from September to November, is initially pleasant, ie in the first half of September, then it gradually becomes more cold, dull, wet and windy. The first night frosts usually occur in November, but sometimes also in October.


Cologne does not get a lot of sun, especially from November to February, when the sun rarely shines. It goes a bit better from May to August, when the weather is variable, and between one disturbance and another the sun can come out. There are on average 6/7 hours of sunshine per day from May to August, as can be seen from the data of nearby Düsseldorf.
Dusseldorf - Sunshine

Best Time

The best time to visit Cologne runs from mid-May to mid-September, since it is the mildest of the year. July and August are the warmest months. However, it's better to bring a sweatshirt or sweater, a light jacket and an umbrella, for cool and rainy days.