Weak toGround ×1.6

Attacker	Type	Moveset	DPS
Groudon	Ground	Mud ShotPrecipice BladesLegacy	28.2
Eternatus	PoisonDragon	Poison JabDynamax CannonLegacy	27.2
Excadrill	GroundSteel	Mud SlapEarthquake	26.8
Mamoswine	IceGround	Mud SlapHigh Horsepower	26.3
Regigigas	Normal	Hidden PowerCrush GripLegacy	25.4
Rhyperior	GroundRock	Mud SlapEarthquake	25.4
Garchomp	DragonGround	Mud ShotEarthquake	25.1
Landorus	GroundFlying	Mud ShotEarth Power	25.0
Blacephalon	FireGhost	IncinerateMind BlownLegacy	24.7
Krookodile	GroundDark	Mud SlapEarthquake	24.2
Golurk	GroundGhost	Mud SlapEarth Power	23.1
Golem	RockGround	Mud SlapEarthquake	22.4

Clear boosts the Ground attacks above. Rainy boosts Ampharos.

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

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

Questions people ask

What is Ampharos weak to in Pokémon GO?

Ampharos takes 1.6 times from Ground.

What's the best counter to Ampharos?

Groudon with Mud Shot and Precipice Blades, worth 28.2 damage per second against Ampharos's own defense. The full ranking is above.