Cologne Temperature by Month
Cologne in France sees significant seasonal temperature differences, with daytime highs between 11°C (52°F) in January and 29°C (84°F) in August, averaging 20°C (68°F) annually. Explore the full monthly breakdown below.
Cologne Monthly Temperatures
Depending on the time of the year, temperatures range from comfortable to cold in Cologne. At night, minimum temperatures range from 17°C (63°F) in August to 3°C (37°F) in January.
The chart below illustrates the average maximum day and minimum night temperatures in Cologne by month:
Low temperatures are most often recorded between 4 AM and 6 AM, while highs typically occur around 3 PM. August, the city's warmest month, sees 240 hours of sunshine.
The chart below shows the average temperature throughout the year:
Temperature: Cologne vs France
The map below shows the annual temperature across France. You can also select individual months if you want to compare a specific time of year.
very warm
warm
pleasant
moderate
cold
very cold
Cologne vs World: Temperature Compared
Cologne's average annual maximum temperature is 20°C (68°F). To put that in context, here's how it compares to a few well-known destinations:
Athens, Greece sits at 23°C (73°F) on average, with hot dry summers and mild winters characteristic of the Mediterranean.
Interlaken, Switzerland averages 8°C (46°F) a year, with cold winters and cool summers thanks to its Alpine setting.
New York City, USA averages 17°C (63°F) a year, with hot humid summers and cold winters that bring regular snowfall.
Melbourne, Australia averages 20°C (68°F) annually — known for unpredictable weather, with four seasons sometimes happening in one day.
What Does the Temperature Feel Like in Cologne?
Temperature alone doesn't tell the whole story — humidity plays a big role in how warm or cold it actually feels. High humidity in summer makes the heat feel more intense, particularly once temperatures climb above 25°C. In winter, the same humidity can make cold air feel sharper than the thermometer suggests.
In the cooler months, when temperatures drop below 10°C, high humidity makes the cold feel more cutting than it would in dry conditions.
In Cologne, January is the coolest month, with average highs of 11°C (52°F) and humidity around 87% — considered very high. In August, the warmest month, temperatures average 29°C (84°F) with 71% humidity — conditions that feel high. For a full picture, see our humidity page.
Climate temperature data is typically calculated as a 30-year average. This smooths out year-to-year variability and gives a more reliable picture of what a place is actually like, rather than what happened in any single unusual year.
The readings come from a range of sources — land-based weather stations, ocean buoys, ships, and satellites. That data is collected by weather services around the world, then pooled, quality-checked, and averaged to produce the climate records you see here.
Seasonal temperature shifts influence more than just how warm it feels — they also drive changes in rainfall, cloud cover, and wind patterns throughout the year.
Warmer air holds more moisture, which tends to mean heavier or more frequent rain during the warmer months. When temperatures drop in winter, any precipitation that does fall is more likely to come as snow or sleet, though in Cologne this rarely lasts long on the ground.
For more on Cologne's weather — including monthly rainfall, sunshine hours, and humidity — visit our Cologne climate page.
