In June, Koeln typically sees daytime highs of 21.3°C and overnight lows around 11.0°C. Compared to the annual average high of 13.9°C, June runs +7.4°C.
June in Koeln averages a daytime high of 21.3°C and an overnight low of 11.0°C.
June runs +7.4°C compared to Koeln's annual average high of 13.9°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 21.3°C and cooler evenings around 11.0°C.