added to the above - you did check the seasonal temperature forecasts?

Murcia, Spain Weather Averages | Monthly Average High and Low Temperature | Average Precipitation and Rainfall days | World Weather Online

I'd plan on 0'C on December 25th - if its better than that, then its shorts & tee shirt weather.

Suggest that you Take your woolies & raincoats with you

My post was for the benefit of snikpoh.

Of course it would have been easier had OP said where his villa was in this post.