Weak toRock ×2.56FlyingFireElectricIce ×1.6

Attacker	Type	Moveset	DPS
Glimmora	RockPoison	Rock ThrowMeteor Beam	70.9
Rampardos	Rock	Smack DownRock Slide	70.2
Tyrantrum	RockDragon	Rock ThrowMeteor Beam	65.7
Gigalith	Rock	Lock OnMeteor BeamLegacy	65.7
Rhyperior	GroundRock	Smack DownRock WreckerLegacy	63.5
Terrakion	RockFighting	Smack DownRock Slide	62.3
Blacephalon	FireGhost	IncinerateMind BlownLegacy	61.7
Tyranitar	RockDark	Smack DownStone EdgeLegacy	60.0
Regieleki	Electric	Lock OnThunder CageLegacy	58.4
Lycanroc	Rock	Rock ThrowStone Edge	57.1
Aggron	SteelRock	Smack DownMeteor Beam	55.5
Aerodactyl	RockFlying	Rock ThrowRock Slide	54.9

Partly cloudy boosts the Rock attacks above. Rainy and Windy boost Vivillon.

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

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

Questions people ask

What is Vivillon weak to in Pokémon GO?

Vivillon takes 2.56 times damage from Rock, and 1.6 times from Flying, Fire, Electric and Ice.

What's the best counter to Vivillon?

Glimmora with Rock Throw and Meteor Beam, worth 70.9 damage per second against Vivillon's own defense. The full ranking is above.