Best Time to Visit Koeln
Best time: Aug, Jun, Jul, May.
Jul is warmest (23.7°C high); Jun is rainiest (82 mm).
Koeln weather by month
| Month | High °C | Low °C | Rain mm | Sun hrs |
|---|---|---|---|---|
| Jan | 5.5 | 0.8 | 60 | 1.1 |
| Feb | 6.7 | 0.7 | 48 | 2.3 |
| Mar | 10.4 | 3.2 | 62 | 3.8 |
| Apr | 14.1 | 5.4 | 53 | 6 |
| May | 19.3 | 9.6 | 68 | 7.8 |
| Jun | 21.6 | 12.4 | 82 | 8 |
| Jul | 23.7 | 14.4 | 81 | 7.8 |
| Aug | 23.6 | 14 | 67 | 6.9 |
| Sep | 19.4 | 11 | 67 | 4.8 |
| Oct | 14.5 | 7.5 | 58 | 2.9 |
| Nov | 9.2 | 3.9 | 62 | 1.4 |
| Dec | 6.6 | 2.1 | 67 | 0.8 |
Average high temperature
Best months by activity
Overall: AugJunJulMay
Beaches: AugJul
Hiking: AprMayAugOct
Sightseeing: MayAugJunJul
Koeln quick facts
What to pack
Cold months (Jan, Feb, Mar, Nov, Dec): warm layers and a coat.
Frequently asked questions
When is the best time to visit Koeln?
Aug, Jun, Jul, May.
What is the rainiest month?
Jun, about 82 mm.
What is the warmest month?
Jul, with average highs of 23.7°C.
Where to stay
See Koeln hotels · Book Koeln tours & activities
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Climate data: Open-Meteo Historical (ERA5), 1991–2020 climate normals.
Licensed under CC BY 4.0.
Open-Meteo.