Generally, average temperature in Laon through the whole of January is 7. You can expect highs around 8 degrees and a low of 3 degrees celsius. We have put some more detail below here:
| Month | Degrees Celsius |
|---|---|
| Temperature | 7 |
| High Temperature | 8 |
| Low Temperature | 3 |
Useful Links: Laon Weather: Average Weather & Yearly Climate