Weak toWaterGrassIce ×1.6

Attacker	Type	Moveset	DPS
Kartana	GrassSteel	Razor LeafLeaf Blade	52.3
Inteleon	Water	Water GunHydro CannonLegacy	47.1
Kyogre	Water	WaterfallOrigin PulseLegacy	46.9
Roserade	GrassPoison	Magical LeafLeaf Storm	44.5
Kingler	Water	BubbleCrabhammer	44.5
Greninja	WaterDark	Water ShurikenHydro CannonLegacy	44.3
Zarude	DarkGrass	Vine WhipPower Whip	43.7
Eternatus	PoisonDragon	Dragon TailDynamax CannonLegacy	43.3
Rillaboom	Grass	Razor LeafFrenzy PlantLegacy	43.2
Quaquaval	WaterFighting	Water GunHydro CannonLegacy	42.6
Breloom	GrassFighting	Force PalmGrass KnotLegacy	42.4
Chien-Pao	DarkIce	Powder SnowAvalanche	42.2

Rainy boosts the Water attacks above. Clear boosts Phanpy.

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

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

Questions people ask

What is Phanpy weak to in Pokémon GO?

Phanpy takes 1.6 times from Water, Grass and Ice.

What's the best counter to Phanpy?

Kartana with Razor Leaf and Leaf Blade, worth 52.3 damage per second against Phanpy's own defense. The full ranking is above.