Germany
Weather in Köln through the year
The average of the weather stations Maastricht (83 km), Altastenberg (110 km) and Geisenheim (127 km); nearer ones count more.
| Month | Average high | Coolest to warmest day |
|---|---|---|
| January | 3.9 °C | 3.6 °C – 4.4 °C |
| February | 5.4 °C | 4.4 °C – 6.9 °C |
| March | 9.2 °C | 7.0 °C – 11.1 °C |
| April | 13.3 °C | 11.3 °C – 15.2 °C |
| May | 17.7 °C | 15.4 °C – 19.6 °C |
| June | 21.1 °C | 19.7 °C – 22.3 °C |
| July | 22.6 °C | 22.0 °C – 23.2 °C |
| August | 22.4 °C | 21.0 °C – 23.2 °C |
| September | 18.7 °C | 15.9 °C – 20.9 °C |
| October | 13.6 °C | 11.0 °C – 15.6 °C |
| November | 7.9 °C | 5.5 °C – 10.8 °C |
| December | 4.9 °C | 4.4 °C – 5.4 °C |