Average temperature within Porthmadog throughout the time of October is 10 with a general average high of 14 degrees and a low of 10. Our table below has the full details:
| Month | Degrees Celsius |
|---|---|
| Temperature | 10 |
| High Temperature | 14 |
| Low Temperature | 10 |
Useful Links: Porthmadog Weather: Average Weather & Yearly Climate