Usually the average weather in St-Nazaire for the duration of October is 11 with the high being 16 and low being 9. The table below has further info:
| Month | Degrees Celsius |
|---|---|
| Temperature | 11 |
| High Temperature | 16 |
| Low Temperature | 9 |
| Sunshine Per Day | 5 |
Useful Links: St-Nazaire Weather: Average Weather & Yearly Climate