| Type | fire |
| Category | Status |
| Power | 0 |
| Accuracy | — |
| PP | 5 |
| Introduced | Generation 2 |
Sunny Day causes bright sunlight that lasts for 5 turns, and induces these additional effects:
When a Pokémon is holding Firium Z and uses its Z-Power, Sunny Day turns into Z-Sunny Day and raises Speed one stage, in addition to its usual effect as above.
| Gold Silver Crystal | Boosts fire-type moves for 5 turns. |
| Ruby Sapphire Emerald | Boosts the power of FIRE-type moves for 5 turns. |
| FireRed LeafGreen | The sun blazes for five turns, powering up FIRE-type moves. |
| Diamond Pearl Platinum HeartGold SoulSilver | The user intensifies the sun for five turns, powering up Fire-type moves. |
| Black White Black 2 White 2 | The user intensifies the sun for five turns, powering up Fire-type moves. |
| X Y O.Ruby A.Sapphire | The user intensifies the sun for five turns, powering up Fire-type moves. |
| Sun Moon Ultra Sun Ultra Moon | The user intensifies the sun for five turns, powering up Fire-type moves. It lowers the power of Water-type moves. |
| Sword Shield B.Diamond S.Pearl | The user intensifies the sun for five turns, powering up Fire-type moves. It lowers the power of Water-type moves. |
| English | Sunny Day |
|---|---|
| Spanish | Día Soleado |
| Italian | Giornodisole |
| Japanese | にほんばれ (Nihonbare) |
| German | Sonnentag |
| French | Zénith |