Is Köln hot in June?
Days are typically mild at 22.8°C, while nights average 13.6°C.
Germany · 1991–2020 normal
Typical June weather in Köln: 22.8°C by day, 13.6°C at night, 76 mm of rain over 10.1 wet days. These are measured 1991–2020 station normals, not a forecast.
In the year-round weather comparison, June scores 81 out of 100 (August leads the year at 85). Daylight is calculated as 16 h 30 from latitude 50.93°.
June at a glance
Plain answers from the measured climate record—not a forecast or a promise about a particular trip.
Days are typically mild at 22.8°C, while nights average 13.6°C.
The measured monthly average is 76 mm across about 10 wet days.
There are about 16 h 30 between sunrise and sunset at mid-month, calculated from the place latitude.
June ranks 3 of 12 in our weather comparison; August ranks first.
The evidence behind this page
Next step
The weather comparison for Köln is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
How travel partnerships will work