Normally the weather in Karlsruhe right through the month of December is 5. Through the month the highs are about 6 with low average temperatures being 1 degrees celsius. We have put some more info below:
| Month | Degrees Celsius |
|---|---|
| Temperature | 5 |
| High Temperature | 6 |
| Low Temperature | 1 |
Useful Links: Karlsruhe Weather: Average Weather & Yearly Climate