Generally, average daily wearther in Portimao through the whole of October is 17. Average highs are typically 22 and low of 15 celsius. We have put some more information here:
| Month | Degrees Celsius |
|---|---|
| Temperature | 17 |
| High Temperature | 22 |
| Low Temperature | 15 |
| Sunshine Per Day | 10 |
Useful Links: Portimao Weather: Average Weather & Yearly Climate