Castform (Rainy) is a Water-type Pokémon in Pokémon GO. It reaches 1,632 CP and is weak to Electric and Grass-type moves. Its recommended moveset is Water Gun / Weather Ball. It is boosted by Rain weather. Its shiny form is available.
| 1. | 7.76 | 9.02 | 136.8 | ||
| 2. | 7.35 | 8.55 | 129.6 | ||
| 3. | 6.76 | 7.86 | 119.2 | ||
| 4. | 6.28 | 7.31 | 110.8 | ||
| 5. | 5.93 | 6.90 | 104.6 | ||
| 6. | 5.42 | 6.31 | 95.6 |
| Damage | 5 |
|---|---|
| Energy | 5 |
| Weather boost |
|
| Duration | 0.5s |
| Damage window | 0.3s - 0.5s |
| Damage | 3 |
|---|---|
| Energy | 3 |
| Damage | 5 |
|---|---|
| Energy | 5 |
| Weather boost |
|
| Duration | 0.5s |
| Damage window | 0.3s - 0.5s |
| Damage | 3 |
|---|---|
| Energy | 3 |
| Damage | 100 |
|---|---|
| Energy | 100 |
| Weather boost |
|
| Duration | 2.5s |
| Damage window | 1.3s - 2.3s |
| Damage | 100 |
|---|---|
| Energy | 60 |
| Damage | 135 |
|---|---|
| Energy | 100 |
| Weather boost |
|
| Duration | 3.5s |
| Damage window | 1.1s - 3.2s |
| Damage | 130 |
|---|---|
| Energy | 75 |
| Damage | 55 |
|---|---|
| Energy | 33 |
| Weather boost |
|
| Duration | 1.5s |
| Damage window | 1.3s - 1.5s |
| Damage | 60 |
|---|---|
| Energy | 35 |
The following chart shows Castform (Rainy)'s DPS and TDO for every fast and charged attack combination. This chart is useful for comparing the relative strength of Castform (Rainy)'s movesets. You can change the weather and the opposing Pokémon to see how it affects the rankings.
Legacy Elite Fast and Charged Attacks can only be obtained during special events, or by using an Elite Fast TM or an Elite Charged TM. Legacy moves are marked with an asterisk (*). The table above provides information on different moves Castform (Rainy) has in Pokémon GO, along with their corresponding DPS (Damage per Second) and TDO (Total Damage Output).
Castform (Rainy) reaches a maximum of 1,632 CP at Level 50. Raid encounters have 875–932 CP, rising to 1,094–1,165 CP when weather boosted. Field and Special Research encounters have 656–699 CP.
| 1632 CP | |
| Level 50, 15/15/15 IVs | |
| 656 CP - 699 CP | |
| Level 15, 10/10/10 minimum IVs | |
| 875 CP - 932 CP | |
| Level 20, 10/10/10 minimum IVs | |
| 875 CP - 932 CP | |
| Level 20, 10/10/10 minimum IVs | |
| 1094 CP - 1165 CP | |
| Weather boosted, Level 25, 10/10/10 minimum IVs |
Castform (Rainy) Max CP per level chart. This table shows maximum Combat Power values from Level 1 to Level 50. CP Calculator
| LVL | Max CP | LVL | Max CP | LVL | Max CP |
|---|---|---|---|---|---|
| 1 | 23 CP | 2 | 72 CP | 3 | 121 CP |
| 4 | 170 CP | 5 | 220 CP | 6 | 269 CP |
| 7 | 318 CP | 8 | 367 CP | 9 | 417 CP |
| 10 | 466 CP | 11 | 513 CP | 12 | 559 CP |
| 13 | 606 CP | 14 | 652 CP | 15 | 699 CP |
| 16 | 746 CP | 17 | 792 CP | 18 | 839 CP |
| 19 | 886 CP | 20 | 932 CP | 21 | 979 CP |
| 22 | 1025 CP | 23 | 1072 CP | 24 | 1119 CP |
| 25 | 1165 CP | 26 | 1212 CP | 27 | 1259 CP |
| 28 | 1305 CP | 29 | 1352 CP | 30 | 1399 CP |
| 31 | 1422 CP | 32 | 1445 CP | 33 | 1469 CP |
| 34 | 1492 CP | 35 | 1515 CP | 36 | 1539 CP |
| 37 | 1562 CP | 38 | 1585 CP | 39 | 1608 CP |
| 40 | 1632 CP | 41 | 1652 CP | 42 | 1673 CP |
| 43 | 1694 CP | 44 | 1715 CP | 45 | 1737 CP |
| 46 | 1758 CP | 47 | 1780 CP | 48 | 1801 CP |
| 49 | 1823 CP | 50 | 1845 CP |
A list of Mega Pokémon that boost Castform (Rainy)'s Water-type moves, Candy, and Candy XL from catching Castform (Rainy).
Mega and Primal Raid Bonus –Mega Pokémon boost the attack power of all other Pokémon when battling in Raid Battles by 10%. Attacks that share their type with the Mega Pokémon's type(s) receive a 30% boost. However, these bonuses do not stack if there are multiple Mega-Evolved Pokémon battling simultaneously; only the higher boost will be applied.
Mega and Primal Catch Bonus –While a Pokémon is Mega-Evolved, additional XP and Candy is granted when catching a Pokémon that shares a type with it, or for any raid boss caught. These do not stack with each other. Additionally, High and Max Level Mega-Evolved Pokémon grant an increased chance to obtain Candy XL when catching a Pokémon that shares a type with it.
Note on Primal Kyogre, Primal Groudon, and Mega Rayquaza| Pokédex Number | #351 |
|---|---|
| Height | 0.3 m |
| Weight | 0.8 kg |
| Region | Generation 3 |
| Can be traded | Allowed |
| Buddy distance | 5 km |
| Released | Yes |
| Shiny released | Yes |
| Pokémon Home transfer | Allowed |
| Base Flee Rate | 10% |
| Catch rewards | |
| Additional Move Cost |
A list of Pokémon that are somehow related to Castform (Rainy) in Pokémon GO. Includes evolutions, regional, and form variations.
Castform
Castform (Rainy)
Castform (Snowy)
Castform (Sunny)Castform (Rainy)'s height ranges from 0.15 m to 0.53 m, with the average being 0.3 m. The illustration shows a comparison with a 1.70 m (5′07″) tall Trainer. Max height has been limited to 450px for rendering purposes.
| XXS | XS | M | XL | XXL |
|---|---|---|---|---|
![]() | ![]() | ![]() | ![]() | ![]() |
| 0.15 m | 0.15 m | 0.3 m | 0.45 m | 0.53 m |
This table shows the size bounds of Castform (Rainy) in Pokémon GO. The size bounds are the minimum and maximum values for each size category.
| Size | Lower bound | Upper bound |
|---|---|---|
| XXS | 0.147 m | 0.15 m |
| 0′06″ | 0′06″ | |
| XS | 0.15 m | 0.3 m |
| 0′06″ | 0′12″ | |
| M | 0.225 m | 0.375 m |
| 0′09″ | 1′03″ | |
| XL | 0.375 m | 0.45 m |
| 1′03″ | 1′06″ | |
| XXL | 0.45 m | 0.525 m |
| 1′06″ | 1′09″ |
| Movement type | MOVEMENT_HOVERING |
|---|---|
| Movement Timer | 11s |
| Jump Time | 2s |
| Attack Probability | 10.0% |
| Attack Timer | 20s |
| Dodge Probability | 15.0% |
| Dodge Duration | 0.0s |
| Dodge Distance | 0.3 |
| Min Action Frequency | 1s |
| Max Action Frequency | 2s |
| LVL | |||
|---|---|---|---|
| 50 | 520,000 | 304 | 296 |
| 40 | 280,000 | 304 | 10 |
| 35 | 190,000 | 196 | - |
| 30 | 125,000 | 126 | - |
| 25 | 80,000 | 87 | - |
| 20 | 47,500 | 58 | - |
| 15 | 25,500 | 38 | - |
| 10 | 11,000 | 19 | - |
| 5 | 3,000 | 9 | - |
Castform (Rainy) Power Up costs in Pokémon GO. The table shows the total Stardust, Candy, and Candy XL required to power up Castform (Rainy) from Level 1 to Level 15, 20, 25, 30, 35, 40, and 50. It will cost you 520,000 Stardust, 304 Candy, and 296 Candy XL to fully power up Castform (Rainy) in Pokémon GO.
A list of high resolution Pokémon HOME sprites related to Castform (Rainy). Sprite description is a best guess on what the sprite is related to, use your own judgment. Click to download full 512x512 resolution.

| Versions | Pokédex entry |
|---|---|
| Ruby | CASTFORM’s appearance changes with the weather. This POKéMON gained the ability to usethe vast power of nature to protect its tiny body. |
| Sapphire | CASTFORM borrows the power of nature to transform itself into the guises of the sun, rain clouds, and snow clouds.This POKéMON’s feelings change with the weather. |
| Emerald | It alters its form depending on the weather. Changes in the climate such as the temperature and humidity appear to affect its cellular structure. |
| FireRed, LeafGreen | It has the ability to change its form into the sun, the rain, or a snow cloud, depending on the weather. |
| Diamond, Pearl, Platinum, Black, White | Its appearance changes with the weather. Recently, its molecules were found to be just like water. |
| HeartGold, SoulSilver | This Pokémon can change its cells, taking different forms based on the temperature and humidity. |
| Black 2, White 2 | Temperature and weather affect its cellular structure, so this Pokémon changes form according to the weather. |
| X | This Pokémon can change its cells, taking different forms based on the temperature and humidity. |
| Y | It has the ability to change its form into the sun, the rain, or a snow cloud, depending on the weather. |
| Omega Ruby | Castform’s appearance changes with the weather. This Pokémon gained the ability to use the vast power of nature to protect its tiny body. |
| Alpha Sapphire | Castform borrows the power of nature to transform itself into the guises of the sun, rain, and snow-clouds. This Pokémon’s feelings change with the weather. |
| Sun | It changes its form depending on the weather. Changes in the temperature or humidity appear to affect its cellular structure. |
| Moon | Its form changes on its own, due to its cells’ sensitive reactions to temperature and humidity. |
| Ultra Sun | Although its form changes with the weather, that is apparently the result of a chemical reaction and not the result of its own free will. |
| Ultra Moon | Its form changes depending on the weather. The rougher conditions get, the rougher Castform’s disposition! |
The best moves for Castform (Rainy) in Pokémon GO are Water Gun and Weather Ball. This moveset has a DPS (Damage Per Second) of 9.02 and a TDO (Total Damage Output) of 136.8.
Values use the default battle settings. Results vary with the opponent and weather.
Water-type Pokémon are weak to Electric and Grass-type moves. They take reduced damage from Fire, Ice, Steel, and Water-type moves.
Castform (Rainy)’s maximum CP at Level 40 is 1,632 CP and 1,845 CP at Level 50.
Castform (Rainy) can be Shiny in Pokémon GO ✨.
Castform (Rainy) cannot Dynamax in Pokémon GO.
The following Mega Pokémon boost Castform (Rainy): Mega Blastoise, Mega Slowbro, Mega Starmie, Mega Gyarados, Mega Swampert, Mega Sharpedo, Primal Kyogre, and Mega Greninja.