Generally, average daily wearther in Iguazu Falls through the whole of December is 24. You can expect highs around 32 degrees celsius and a low of 19 degrees. We have put some more details below:
| Month | Degrees Celsius |
|---|---|
| Temperature | 24 |
| High Temperature | 32 |
| Low Temperature | 19 |
Useful Links: Iguazu Falls Weather: Average Weather & Yearly Climate