climbing in the sun on a good winter day siurana could be good but its a bit of a gamble. We climbed there one january and had a few good days but then bailed down south after a cold snap when there was icicles growing out of the pockets. Rodellar up north was a write off (running wet and you dont get to find that out until after you've waded through an waist deep icy river to get there), everywhere else was fine Rigilos for multi-pitch conglomerate, frost on the tent in the morning but lovely in the sun once it warmed up. Further south the weather was not an issue anywhere Costa Blanca, El Chorro etc. We mostly went to escape the summer here but its a good time to go I think.