Weak toFairy ×1.6

Attacker	Type	Moveset	DPS
Enamorus	FairyFlying	Fairy WindDazzling Gleam	24.3
Eternatus	PoisonDragon	Dragon TailDynamax CannonLegacy	22.9
Tapu Koko	ElectricFairy	Volt SwitchNatures MadnessLegacy	22.8
Xurkitree	Electric	Thunder ShockDazzling Gleam	22.1
Xerneas	Fairy	GeomancyMoonblastLegacy	22.0
Tapu Lele	PsychicFairy	AstonishNatures MadnessLegacy	21.9
Tapu Bulu	GrassFairy	Bullet SeedNatures MadnessLegacy	21.6
Blacephalon	FireGhost	IncinerateMind BlownLegacy	21.2
Gardevoir	PsychicFairy	CharmDazzling Gleam	20.9
Hatterene	PsychicFairy	CharmDazzling Gleam	20.9
Togekiss	FairyFlying	CharmDazzling Gleam	19.9
Regieleki	Electric	Lock OnThunder CageLegacy	19.8

Overcast boosts the Fairy attacks above. Fog boosts Spiritomb.

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

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

Questions people ask

What is Spiritomb weak to in Pokémon GO?

Spiritomb takes 1.6 times from Fairy.

What's the best counter to Spiritomb?

Enamorus with Fairy Wind and Dazzling Gleam, worth 24.3 damage per second against Spiritomb's own defense. The full ranking is above.