Weak toGhostDark ×1.6

Attacker	Type	Moveset	DPS
Blacephalon	FireGhost	AstonishShadow Ball	41.6
Darkrai	Dark	SnarlShadow Ball	37.5
Chandelure	GhostFire	HexShadow Ball	37.2
Gengar	GhostPoison	LickShadow BallLegacy	37.1
Absol	Dark	SnarlBrutal SwingLegacy	36.4
Dragapult	DragonGhost	AstonishShadow Ball	35.5
Hoopa	PsychicGhost	AstonishShadow Ball	34.8
Lunala	PsychicGhost	Shadow ClawShadow Ball	34.8
Eternatus	PoisonDragon	Dragon TailDynamax CannonLegacy	34.7
Gholdengo	SteelGhost	HexShadow Ball	34.7
Zoroark	Dark	SnarlFoul Play	34.7
Chi-Yu	DarkFire	SnarlDark Pulse	34.5

Fog boosts the Ghost attacks above. Fog boosts Banette.

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

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

Questions people ask

What is Banette weak to in Pokémon GO?

Banette takes 1.6 times from Ghost and Dark.

What's the best counter to Banette?

Blacephalon with Astonish and Shadow Ball, worth 41.6 damage per second against Banette's own defense. The full ranking is above.