Cologne weather
Ten-year climate averages, month by month
Cologne in september
Current month averages, based on ten years of records. Read the full guide →
Cologne is a city on the Rhine in western Germany, known for its Gothic cathedral and seven distinct Christmas markets that spread across the old town every Advent.
The year in weather
Cologne weather by month
Pick a month for the full climate guide — temperature, rainfall, sunshine, packing tips and hotel deals for Cologne.
Places that feel like Cologne in september
Cologne weather — FAQ
Q01What is the ideal season to travel to Cologne?
What is the ideal season to travel to Cologne?
The best months to visit Cologne are May, June, July, August. Mid-May when the Rhine promenade cafes reopen fully, Cologne Cathedral steps aren't rain-slicked, and Kolsch beer gardens like Fruh am Dom hit peak outdoor seating.
Q02When does Cologne reach its peak summer heat?
When does Cologne reach its peak summer heat?
August runs the highest averages in Cologne, with typical daytime highs of 25°C (76°F). Cologners flee to Rheinauhafen strip or the Aachener Weiher lake in Lindenthal; Kolsch beer arrives in 0.2L glasses served nonstop until you coaster over.
Q03When is winter at its deepest in Cologne?
When is winter at its deepest in Cologne?
January brings the lowest averages, with daytime highs near 6°C (43°F). January damp cold hugs the Rhine valley; Weihnachtsmarkt technically ends but Karneval prep begins November 11 and dominates January bar life.
Q04What is the wettest time of year in Cologne?
What is the wettest time of year in Cologne?
January typically records the highest monthly rainfall — around 89mm on average. October Rhine floods have historically inundated the Altstadt; the Hochwasser gauge at Deutzer Brucke is on every local news screen at 8m warning line.
Q05What kind of climate does Cologne have?
What kind of climate does Cologne have?
Cologne, Germany has mild summers, cold winters. Kolsch beer is not just a drink; it is a strict Cologne appellation and 0.2L is the only serving. Cross the river to Deutz for the real cathedral photo, not the front. The Belgisches Viertel is where actual Cologners eat and drink, not the Altstadt tourist trap. Weiberfastnacht on the Thursday before Ash Wednesday is when women cut men's ties; take a cheap one. The KVB tram network is faster than any car in the Ring. You can read the detailed month-by-month breakdown on this page.
