More often than not the weather in Puerto Montt through the whole of December is 12. Average highs are typically 18 with low daily temperautes being 9. We have put some more information below:
| Month | Degrees Celsius |
|---|---|
| Temperature | 12 |
| High Temperature | 18 |
| Low Temperature | 9 |
| Sunshine Per Day | 11 |
Useful Links: Puerto Montt Weather: Average Weather & Yearly Climate