From another point of view, it would be sorta “fair” that all DLC armors had the same temperature+stat +weight combinations. That way they’d be truly aesthetic-only options. But, with more content in the horizon, I’m sure we’ll get all combinations for stat, temperature and weight eventually.
I was happy to get a new cold-resistant light armor with a Survival bonus, one that can be repaired by any T4 thrall. Lemurian royal has low durability, and although its material cost is low, only Fia can repair the flawless version.
No, an always-hot desert makes no sense lore-wise. Well, and clothes that cover your whole body not protecting against cold make no sense lore-wise. A lot of the time, the temperature resistances of armors in the game make no sense, and won’t make sense as long as they protect only against hear or cold.