Expect the average daily weather in Royan through the whole of December is 5 with a general average high of 9 with low temperatures being around 4 degrees celsius. We have put some more detail below here:
| Month | Degrees Celsius |
|---|---|
| Temperature | 5 |
| High Temperature | 9 |
| Low Temperature | 4 |
Useful Links: Royan Weather: Average Weather & Yearly Climate