Weak toGround ×1.6

Attacker	Type	Moveset	DPS
Groudon	Ground	Mud ShotPrecipice BladesLegacy	49.5
Excadrill	GroundSteel	Mud SlapEarthquake	47.0
Eternatus	PoisonDragon	Dragon TailDynamax CannonLegacy	46.6
Mamoswine	IceGround	Mud SlapHigh Horsepower	46.1
Regigigas	Normal	Hidden PowerCrush GripLegacy	44.6
Rhyperior	GroundRock	Mud SlapEarthquake	44.5
Garchomp	DragonGround	Mud ShotEarthquake	44.1
Landorus	GroundFlying	Mud ShotEarth Power	43.9
Blacephalon	FireGhost	IncinerateMind BlownLegacy	43.3
Krookodile	GroundDark	Mud SlapEarthquake	42.5
Regieleki	Electric	Lock OnThunder CageLegacy	42.2
Golurk	GroundGhost	Mud SlapEarth Power	40.5

Clear boosts the Ground attacks above. Fog and Overcast boost Alolan Grimer.

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

Alolan Grimer's moveset, stats and CP All counters Raid board

Questions people ask

What is Alolan Grimer weak to in Pokémon GO?

Alolan Grimer takes 1.6 times from Ground.

What's the best counter to Alolan Grimer?

Groudon with Mud Shot and Precipice Blades, worth 49.5 damage per second against Alolan Grimer's own defense. The full ranking is above.