Normally weather temperatures in Spain in December is 8 with a high of 15 with low daily temperautes being 5 degrees celsius. We have put some more detail below here:
| Month | Degrees Celsius |
|---|---|
| Temperature | 8 |
| High Temperature | 15 |
| Low Temperature | 5 |
| Sunshine Per Day | 6 |
Useful Links: Spain Weather: Average Weather & Yearly Climate