Weak toWaterGrassIce ×1.6

Attacker	Type	Moveset	DPS
Kartana	GrassSteel	Razor LeafLeaf Blade	44.4
Inteleon	Water	Water GunHydro CannonLegacy	40.0
Kyogre	Water	WaterfallOrigin PulseLegacy	39.8
Roserade	GrassPoison	Magical LeafLeaf Storm	37.8
Kingler	Water	BubbleCrabhammer	37.8
Greninja	WaterDark	Water ShurikenHydro CannonLegacy	37.7
Zarude	DarkGrass	Vine WhipPower Whip	37.1
Eternatus	PoisonDragon	Dragon TailDynamax CannonLegacy	36.8
Rillaboom	Grass	Razor LeafFrenzy PlantLegacy	36.7
Quaquaval	WaterFighting	Water GunHydro CannonLegacy	36.2
Breloom	GrassFighting	Force PalmGrass KnotLegacy	36.0
Chien-Pao	DarkIce	Powder SnowAvalanche	35.9

Rainy boosts the Water attacks above. Clear boosts Hippopotas.

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

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

Questions people ask

What is Hippopotas weak to in Pokémon GO?

Hippopotas takes 1.6 times from Water, Grass and Ice.

What's the best counter to Hippopotas?

Kartana with Razor Leaf and Leaf Blade, worth 44.4 damage per second against Hippopotas's own defense. The full ranking is above.