Weak toFightingGroundRockWater ×1.6

Attacker	Type	Moveset	DPS
Lucario	FightingSteel	Force PalmAura SphereLegacy	48.6
Pheromosa	BugFighting	Low KickFocus Blast	44.5
Terrakion	RockFighting	Double KickSacred SwordLegacy	44.3
Blaziken	FireFighting	CounterAura Sphere	43.9
Inteleon	Water	Water GunHydro CannonLegacy	41.9
Kyogre	Water	WaterfallOrigin PulseLegacy	41.7
Glimmora	RockPoison	Rock ThrowMeteor Beam	41.2
Groudon	Ground	Mud ShotPrecipice BladesLegacy	40.9
Rampardos	Rock	Smack DownRock Slide	40.8
Conkeldurr	Fighting	Force PalmFocus Blast	40.5
Keldeo	WaterFighting	Low KickSacred Sword	40.1
Breloom	GrassFighting	Force PalmDynamic Punch	40.0

Overcast boosts the Fighting attacks above. Clear and Partly cloudy boost Litleo.

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

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

Questions people ask

What is Litleo weak to in Pokémon GO?

Litleo takes 1.6 times from Fighting, Ground, Rock and Water.

What's the best counter to Litleo?

Lucario with Force Palm and Aura Sphere, worth 48.6 damage per second against Litleo's own defense. The full ranking is above.