What moves are affected by weather and terrain?

2 minute read

I was curious and wanted to know about all the moves positively and negatively affected by weather and terrain. I don’t mean any Water- or Fire-type moves that get boosted in the sun or rain. I mean a move like Thunder that gets boosted accuracy in the rain or Grassy Glide gets priority in Grassy Terrain.

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This answer assumes the games in question are Scarlet and Violet, unless otherwise noted. Details between other games may differ from what is shown here.

Harsh Sunlight

Boosts the amount of HP Synthesis, Moonlight, and Morning Sun heal.

Thunder and Hurricane have 50% accuracy.

Solar Beam and Solar Blade become one-turn moves.

Growth boosts Attack and Special Attack sharply.

Sandstorm

Rain

Thunder and Hurricane get perfect accuracy.

[Diamond and Pearl] Thunder has a 30% chance to hit through Protect or Detect when used in rain.

Snow/Hail

Permits the use of Aurora Veil.

Blizzard gets perfect accuracy.

[Diamond and Pearl] Blizzard has a 30% chance to hit through Protect or Detect when used in hail.

Fog

[Gen IV] Weather Ball’s power doubles.

[Gen IV] All moves set to 3/5 their original accuracy.

[Legends: Arceus] All moves' accuracy decreased by an unknown amount.

[Only in games with Desolate Land] Extremely Harsh Sunlight

[Only in games with Primordial Sea] Heavy Rain

[Only in games with Delta Stream] Strong Winds

[Pokemon XD: Gale of Darkness] Shadowy Aura

Snow/Hail, Sandstorm, Rain (and Gen IV Fog)

Morning Sun, Synthesis, and Moonlight restore less HP.

Solar Beam and Solar Blade have their power halved.

Harsh Sunlight, Sandstorm, Rain, and Snow (Hail)

[Only in games with Desolate Land, Primordial Sea, and Delta Stream] Extremely Harsh Sunlight and Heavy Rain

[Only in games with Desolate Land, Primordial Sea, and Delta Stream] Extremely Harsh Sunlight, Heavy Rain, and Strong Winds

Weather (Bulbapedia)

Electric Terrain

All sleep-inducing moves fail (including Yawn).

Rising Voltage’s power doubles.

Grassy Terrain

Halves damage taken from Bulldoze, Earthquake, and Magnitude.

Grassy Glide has increased priority.

Floral Healing restores more HP.

Misty Terrain

Grounded Pokemon take half damage from Dragon moves.

Misty Explosion’s power increases by 50%.

Grounded Pokemon can’t be affected by non-volatile status conditions.

Grounded Pokemon can’t be afflicted with confusion.

Psychic Terrain

Grounded Pokemon are immune to priority moves.

Expanding Force’s power is doubled and hits all opponents.

All terrains

Terrain Pulse doubles power and changes type based on active Terrain.

Steel Roller only works when a Terrain is active.

Nature Power turns into a different move depending on the Terrain.

Secret Power’s effects differ based on the active Terrain.

Camouflage changes the user’s type based on the active Terrain.

Defog, Splintered Stormshards, and G-Max Wind Rage clear the active Terrain.

Terrain (Bulbapedia)