Weak toGround ×1.6

Attacker	Type	Moveset	DPS
Groudon	Ground	Mud ShotPrecipice BladesLegacy	41.2
Eternatus	PoisonDragon	Poison JabDynamax CannonLegacy	39.8
Excadrill	GroundSteel	Mud SlapEarthquake	39.1
Mamoswine	IceGround	Mud SlapHigh Horsepower	38.5
Regigigas	Normal	Hidden PowerCrush GripLegacy	37.1
Rhyperior	GroundRock	Mud SlapEarthquake	37.1
Garchomp	DragonGround	Mud ShotEarthquake	36.7
Landorus	GroundFlying	Mud ShotEarth Power	36.6
Blacephalon	FireGhost	IncinerateMind BlownLegacy	36.1
Krookodile	GroundDark	Mud SlapEarthquake	35.4
Golurk	GroundGhost	Mud SlapEarth Power	33.7
Golem	RockGround	Mud SlapEarthquake	32.8

Clear boosts the Ground attacks above. Rainy boosts Voltorb.

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

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

Questions people ask

What is Voltorb weak to in Pokémon GO?

Voltorb takes 1.6 times from Ground.

What's the best counter to Voltorb?

Groudon with Mud Shot and Precipice Blades, worth 41.2 damage per second against Voltorb's own defense. The full ranking is above.