Normally the average weather in Marseillan through the whole of April is 12. Through the month the highs are about 18 with lows around 10 celsius. The table below includes more detail:
| Month | Degrees Celsius |
|---|---|
| Temperature | 12 |
| High Temperature | 18 |
| Low Temperature | 10 |
Useful Links: Marseillan Weather: Average Weather & Yearly Climate