Minecraft wiki entry for Best_biomes_for_homes, associated text: Farming is inconvenient because water freezes into ice if not protected from freezing by light sources like torches.
It snows uncontrollably, and can form patches of unwanted snow.
Additionally, snow can stack on buildings‌[Bedrock Edition only].
It is rather hard to find sheep here as wolves will kill them.
Undead mobs can hide under trees and survive during the daytime.
Pillager outposts can generate here.