Outside of the areas in the Cantabrian Coast and the Pyrenees, Spain is basically a dessert.
That’s awfully inaccurate
Castilles are not a dessert. Even heard of Picos de Europa? Mountains from Soria? Sierra Nevada?
While those don't sound like desserts, they don't sound like entrees or appetizers either.
No, Spain it's basically an elevated plateau (> 600m!) surrounded by mountain sierras everywhere. Thus, you can have bipolar climates in the Castilles, (both scorching Summers and ice-freezing Winters), more rain than the UK in the North (really), sun and touristy places at the Mediterranean zones, and microclimates all over the place.
No, of course – Galicia famously doesn’t, but they still have tall buildings and courtyards to shelter from the unspeakable wind.