Weak toIce ×2.56FlyingPoisonBugDragonFairy ×1.6

Attacker	Type	Moveset	DPS
Eternatus	PoisonDragon	Poison JabDynamax CannonLegacy	39.9
Chien-Pao	DarkIce	Powder SnowAvalanche	38.0
Baxcalibur	DragonIce	Ice FangAvalanche	37.8
Mamoswine	IceGround	Powder SnowAvalanche	36.0
Weavile	DarkIce	Ice ShardAvalanche	35.5
Glaceon	Ice	Frost BreathAvalanche	35.1
Kyurem	DragonIce	Dragon BreathGlaciateLegacy	33.7
Jynx	IcePsychic	Frost BreathAvalanche	33.0
Vanilluxe	Ice	Frost BreathAvalancheLegacy	32.3
Frosmoth	IceBug	Powder SnowIce Beam	31.5
Porygon-Z	Normal	Lock OnBlizzard	30.9
Mewtwo	Psychic	Psycho CutIce Beam	30.8

Snow boosts the Ice attacks above. Clear and Windy boost Hydrapple.

Level 40, 15 attack IV, costed against Hydrapple's own defense and typing, one per evolution family.

Hydrapple's moveset, CP and shiny All counters Raid board

Questions people ask

What is Hydrapple weak to in Pokémon GO?

Hydrapple takes 2.56 times damage from Ice, and 1.6 times from Flying, Poison, Bug, Dragon and Fairy.

What's the best counter to Hydrapple?

Eternatus with Poison Jab and Dynamax Cannon, worth 39.9 damage per second against Hydrapple's own defense. The full ranking is above.