SnowMod v.3.0.0
This plugin is not a simple change of the Biome but lets it snow like in Vanilia and the snow stays as you are used to! He places the snow on the ground.
New Update:
Update to API 4.9.0 Update MCPE Protocol to 1.19.30 Use the Command /snowmod to enable or disable the Mod! Added feature to enable snowmod only in certain worlds. (Setting up in settings.yml) default is world