Average weather in Portimao in the month of December is 12 with a normal high in the month being 17 and lows around 11 degrees.
| Month | Degrees Celsius |
|---|---|
| Temperature | 12 |
| High Temperature | 17 |
| Low Temperature | 11 |
| Sunshine Per Day | 5 |
Useful Links: Portimao Weather: Average Weather & Yearly Climate