Weak toRock ×2.56FlyingFireElectricIce ×1.6

Attacker	Type	Moveset	DPS
Glimmora	RockPoison	Rock ThrowMeteor Beam	43.1
Rampardos	Rock	Smack DownRock Slide	42.7
Tyrantrum	RockDragon	Rock ThrowMeteor Beam	40.0
Gigalith	Rock	Lock OnMeteor BeamLegacy	39.9
Rhyperior	GroundRock	Smack DownRock WreckerLegacy	38.6
Terrakion	RockFighting	Smack DownRock Slide	37.9
Blacephalon	FireGhost	IncinerateMind BlownLegacy	37.5
Tyranitar	RockDark	Smack DownStone EdgeLegacy	36.5
Regieleki	Electric	Lock OnThunder CageLegacy	35.5
Lycanroc	Rock	Rock ThrowStone Edge	34.7
Aggron	SteelRock	Smack DownMeteor Beam	33.7
Aerodactyl	RockFlying	Rock ThrowRock Slide	33.4

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

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

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

Questions people ask

What is Ledian weak to in Pokémon GO?

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

What's the best counter to Ledian?

Glimmora with Rock Throw and Meteor Beam, worth 43.1 damage per second against Ledian's own defense. The full ranking is above.