Sunny Day — Pokémon Move

Changes the weather to sunny for five turns.

Type: fire; class: status; power: —; accuracy: —; PP: 5; priority: 0.

Weather and terrain in scarlet-violet

sunnydaysets field for 5 turns

Effect notes

Changes the weather to sunshine for five turns, during which Fire moves inflict 50% extra damage, and Water moves inflict half damage. If the user is holding Heat Rock, this effect lasts for eight turns. Pokémon cannot become frozen. Thunder has 50% accuracy. Solar Beam skips its charge turn. Moonlight, Morning Sun, and Synthesis heal 2/3 of the user’s max HP. Pokémon with Chlorophyll have doubled original Speed. Pokémon with Forecast become Fire. Pokémon with Leaf Guard are not affected by major status effects. Pokémon with Flower Gift change form; every Pokémon on their side of the field have their original Attack and Special Attack increased by 50%. Pokémon with Dry Skin lose 1/8 max HP at the end of each turn. Pokémon with Solar Power have their original Special Attack raised by 50% but lose 1/8 their max HP at the end of each turn.

In-game descriptions by version

gold silverBoosts fire-type moves for 5 turns.
crystalBoosts fire-type moves for 5 turns.
ruby sapphireBoosts the power of FIRE- type moves for 5 turns.
emeraldBoosts the power of FIRE- type moves for 5 turns.
firered leafgreenThe sun blazes for five turns, powering up FIRE-type moves.
diamond pearlThe user intensifies the sun for five turns, powering up Fire-type moves.
platinumThe user intensifies the sun for five turns, powering up Fire-type moves.
heartgold soulsilverThe user intensifies the sun for five turns, powering up Fire-type moves.
black whiteThe user intensifies the sun for five turns, powering up Fire-type moves.
black 2 white 2The user intensifies the sun for five turns, powering up Fire-type moves.
x yThe user intensifies the sun for five turns, powering up Fire-type moves.
omega ruby alpha sapphireThe user intensifies the sun for five turns, powering up Fire-type moves.
sun moonThe user intensifies the sun for five turns, powering up Fire-type moves. It lowers the power of Water-type moves.
ultra sun ultra moonThe user intensifies the sun for five turns, powering up Fire-type moves. It lowers the power of Water-type moves.
lets go pikachu lets go eeveeThe user intensifies the sun for five turns, powering up Fire-type moves. It lowers the power of Water-type moves.
sword shieldThe user intensifies the sun for five turns, powering up Fire-type moves. It lowers the power of Water-type moves.
legends arceusThe user intensifies the sun for five turns, powering up Fire-type moves. It lowers the power of Water-type moves.
scarlet violetThe user intensifies the sun for five turns, powering up Fire-type attacks. The sunlight also lowers the power of Water-type attacks.

Pokémon that learn this move in scarlet-violet