They dwell in cold places. This Pokémon’s main food source in Alola is Vulpix and Sandshrew, which they carefully divide among their group. It lives in snowy regions. It carves patterns in trees with its claws as a signal to others. They live in cold regions, forming groups of four or five that hunt prey with impressive coordination.
Pokédex entry #461
Weavile in Pokémon GO
It's possible to hatch Weavile from an egg?
No, Weavile can't be hatched.
Which are Weavile’s strengths and weaknesses?
Weavile is a dark and ice type Pokémon. dark type pokémons ice type pokémons are strong against grass, ground, flying, dragon pokémons but weak against water, ice pokémons.