Typically the weather in St-Nazaire during March is 7 with highs being 13 with lows of 5. The table below has some further insights:
| Month | Degrees Celsius |
|---|---|
| Temperature | 7 |
| High Temperature | 13 |
| Low Temperature | 5 |
| Sunshine Per Day | 3 |
Useful Links: St-Nazaire Weather: Average Weather & Yearly Climate