Typical weather in Costa Smeralda throughout the duration of December is 9. Average high degrees are usually 15 with lows about 6 degrees celsius. We have put some more info below:
| Month | Degrees Celsius |
|---|---|
| Temperature | 9 |
| High Temperature | 15 |
| Low Temperature | 6 |
| Sunshine Per Day | 5 |
Useful Links: Costa Smeralda Weather: Average Weather & Yearly Climate