Köln Temperature by Month
Köln, Germany has an average annual maximum temperature of 16°C (61°F), ranging from 6°C (43°F) in January to 25°C (77°F) in July. Below you'll find a full monthly breakdown and a comparison with cities worldwide.
Köln Monthly Temperatures
Visitors to Köln can expect significant temperature changes throughout the year. Nighttime temperatures also vary widely, ranging from 15°C (59°F) in July to 1°C (34°F) in January.
The chart below illustrates the average maximum day and minimum night temperatures in Köln by month:
Low temperatures are most often recorded between 4 AM and 6 AM, while highs typically occur around 3 PM. July, the city's warmest month, sees 209 hours of sunshine.
The chart below shows the average temperature throughout the year:
Temperature: Köln vs Germany
The map below shows the annual temperature across Germany. You can also select individual months if you want to compare a specific time of year.
very warm
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Köln vs World: Temperature Compared
Köln's average annual maximum temperature is 16°C (61°F). To put that in context, here's how it compares to a few well-known destinations:
Barcelona, Spain has an annual average of around 21°C (70°F), with warm summers and mild, fairly short winters.
Glasgow, Scotland averages 13°C (55°F) a year — mild but often grey, with cold winters and rarely hot summers.
Buenos Aires, Argentina averages 23°C (73°F) a year, with hot summers and mild winters — and seasons reversed compared to Europe.
Brisbane, Australia averages 26°C (79°F) a year, with warm winters and hot, humid summers.
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.
Whether a city sits on the coast or deep inland makes a significant difference to its climate. Coastal areas tend to have more stable temperatures year-round — large bodies of water absorb heat slowly in summer and release it gradually in winter, keeping extremes in check. Cities far from the sea don't benefit from that buffer, which is why continental climates tend to have hotter summers and colder winters than their coastal counterparts at the same latitude.
For more on Köln's weather — including monthly rainfall, sunshine hours, and humidity — visit our Köln climate page.
