Frequently the average temperatures in Cologne during August is 16. Highs are around 23 with low daily temperautes being 13 celsius. We have put some more information here:
| Month | Degrees Celsius |
|---|---|
| Temperature | 16 |
| High Temperature | 23 |
| Low Temperature | 13 |
| Sunshine Per Day | 6 |
Useful Links: Cologne Weather: Average Weather & Yearly Climate