Weak toFightingGround ×2.56Water ×1.6

Attacker	Type	Moveset	DPS
Lucario	FightingSteel	Force PalmAura SphereLegacy	46.4
Pheromosa	BugFighting	Low KickFocus Blast	42.4
Terrakion	RockFighting	Double KickSacred SwordLegacy	42.2
Blaziken	FireFighting	CounterAura Sphere	41.9
Groudon	Ground	Mud ShotPrecipice BladesLegacy	39.0
Conkeldurr	Fighting	Force PalmFocus Blast	38.6
Keldeo	WaterFighting	Low KickSacred Sword	38.3
Breloom	GrassFighting	Force PalmDynamic Punch	38.1
Urshifu	Fighting	CounterDynamic Punch	37.9
Excadrill	GroundSteel	Mud SlapEarthquake	37.0
Marshadow	FightingGhost	CounterClose Combat	37.0
Mewtwo	Psychic	CounterFocus BlastLegacy	36.9

Overcast boosts the Fighting attacks above. Partly cloudy and Snow boost Lairon.

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

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

Questions people ask

What is Lairon weak to in Pokémon GO?

Lairon takes 2.56 times damage from Fighting and Ground, and 1.6 times from Water.

What's the best counter to Lairon?

Lucario with Force Palm and Aura Sphere, worth 46.4 damage per second against Lairon's own defense. The full ranking is above.