Weak toGroundRockWater ×1.6

Attacker	Type	Moveset	DPS
Inteleon	Water	Water GunHydro CannonLegacy	52.7
Kyogre	Water	WaterfallOrigin PulseLegacy	52.5
Glimmora	RockPoison	Rock ThrowMeteor Beam	51.8
Groudon	Ground	Mud ShotPrecipice BladesLegacy	51.4
Rampardos	Rock	Smack DownRock Slide	51.3
Kingler	Water	BubbleCrabhammer	49.8
Eternatus	PoisonDragon	Poison JabDynamax CannonLegacy	49.6
Greninja	WaterDark	Water ShurikenHydro CannonLegacy	49.6
Gigalith	Rock	Lock OnMeteor BeamLegacy	49.2
Excadrill	GroundSteel	Mud SlapEarthquake	48.8
Rhyperior	GroundRock	Mud SlapRock WreckerLegacy	48.1
Tyrantrum	RockDragon	Rock ThrowMeteor Beam	48.0

Rainy boosts the Water attacks above. Clear boosts Chimchar.

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

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

Questions people ask

What is Chimchar weak to in Pokémon GO?

Chimchar takes 1.6 times from Ground, Rock and Water.

What's the best counter to Chimchar?

Inteleon with Water Gun and Hydro Cannon, worth 52.7 damage per second against Chimchar's own defense. The full ranking is above.