Frosmoth's Weaknesses

Best Counters

Frosmoth is especially weak against Fire and Rock type Pokemon, they will deal 4x damage to it!

The types that are strong against Frosmoth are Fire, Rock, Steel type Pokemon.

For the best defense, Fire and Steel types have very effective defense against Frosmoth, and will be resistant to damage from Frosmoth's STAB attacks:

Flying types will also deal super-effective damage against Frosmoth, but be careful using Pokemon of this type because they may also receive extra damage from some of Frosmoth's attacks!

Weaknesses

Frosmoth's type is Ice.

Frosmoth is especially vulnerable to Fire and Rock attacks, it will receive a super effective four times (4x) the amount of damage! Since Fire and Rock type Pokemon are especially strong against Frosmoth, you should attack with this type of Pokemon.

Frosmoth has a weakness to Fire, Rock, Flying, Steel types. These Pokemon types will be strong against Frosmoth, causing Frosmoth to take a super effective quadruple (4x) damage from Fire and Rock type attacks, and causing Frosmoth to take a super effective double (2x) damage from Flying and Steel type attacks.

Please keep in mind that Frosmoth is resistant to attacks from Grass, Ground, Ice types, and these attacks are not very effective and cause reduced damage, so they should be avoided.