Different types of Raid Bosses return to Pokémon GO in May 2025, featuring some powerful Mega Evolutions and Legendaries for you to face. 5-Star opponents, Dynamax Pokémon, and dark Shadow variants are just a few of the Pokémon you can defeat for rare rewards this month. With each Raid Boss rotating throughout May 2025, an updated schedule will help you track which ones are available for you to fight.
Alongside the Growing Up event in Pokémon GO right around the corner, Raid Bosses are also debuting Pokémon into the game. With the schedule for May 2025 set in stone, you can expect some popular pocket monsters to make their first appearance as a boss. By taking down each Raid Boss, you have an opportunity to unlock special encounters to catch these Pokémon as they debut.
All 5-Star Raid Bosses In May 2025
Fight Five Different Legendary Pokémon In Tough Battles
The strongest Raid Bosses in May 2025 are the 5-Star opponents you can face, with five different 5-Star Raid Bosses appearing this month. Among regular Raids, these are the most challenging to overcome, so you’ll want to study each Pokémon’s weaknesses before going into any of these battles.
Many of the 5-Star Raid Boss Pokémon you’ll find in May 2025 are strong contenders for Battle League fights in Pokémon GO, as each of them is a Legendary with strong move sets to use.
Each 5-Star boss will appear for a limited time throughout the month, giving you only a few days to a week to challenge each one. Some 5-Star Raid Bosses only appear if you are playing in a certain region, making the one you face unique compared to other players around the world. Raid Bosses from the previous month will be cycled out, so don’t expect to see any familiar faces from April 2025.

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The following table shows each 5-Star Raid Boss for May 2025, their weaknesses, and at what times they appear:
5-Star Raid Boss |
Type(s) |
Weaknesses |
Dates |
Raid Hour Date |
---|---|---|---|---|
Tapu Fini |
Water/Fairy |
Electric, Grass, Poison |
May 1–May 12 |
May 7, 2025 |
Uxie |
Psychic |
Bug, Dark, Ghost |
May 12–May 25 |
May 14 and May 21, 2025 |
Azelf |
Psychic |
Bug, Dark, Ghost |
May 12–May 25 |
May 14 and May 21, 2025 |
Mespirit |
Psychic |
Bug, Dark, Ghost |
May 12–May 25 |
May 14 and May 21, 2025 |
Tapu Bulu |
Grass/Fairy |
Poison, Fire, Flying, Ice, Steel |
May 26–June 3 |
May 28, 2025 |
The Legendary lake trio of Uxie, Azelf, and Mespirit all show up in different regions during their Raid Hour, despite the shared dates for their spotlight. Here are the different regions where each of the mystic Sinnoh Pokémon will be present:
- Uxie – Asia-Pacific Region
- Mespirit – Europe, the Middle East, Africa, and India Regions
- Azelf – Americas and Greenland Regions
Every Raid Boss you encounter, including these 5-Star ones, has the potential to appear as a Shiny version of themselves when you defeat them. During the special encounter where you can catch a Raid Boss after winning its battle, the Shiny odds in Pokémon GO for that pocket monster are much higher than usual.
Mega Raid Bosses In May 2025
Three Different Fights With Powerful Evolutions
There are three different Mega Raid Bosses in May 2025, with each demanding your strongest combatants in vicious battles. Mega Pokémon are notoriously strong, being among the strongest options to use in Raid battles, the Battle League, or against Team Rocket leaders in Pokémon GO. The many ways Mega Raid Bosses can be used make them worth challenging multiple times for extra Candies to boost their strength further.
Mega Raid Bosses typically appear for longer than 5-Star Raid Pokémon, usually appearing for a week or more at a time. Similar to the 5-Star Raid Bosses, Mega Raid Pokémon can also be Shiny, so be sure to face them more than once to see if you can get a rare variant.

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The table below shows each Mega Raid Boss in May 2025, as well as their type(s) and weaknesses:
Mega Raid Boss |
Type(s) |
Weaknesses |
Dates |
---|---|---|---|
Mega Houndoom |
Dark/Fire |
Fighting, Ground, Rock, Water |
May 1–May 12 |
Mega Gyarados |
Water/Dark |
Bug, Electric, Fairy, Fighting, Grass |
May 12–May 25 |
Mega Altaria |
Dragon/Fairy |
Fairy, Ice, Poison, Steel |
May 25–June 3 |
Max Raid Bosses In May 2025
Face Giant-Sized Pokémon With Your Friends
Plenty of new Max Raid Bosses appear in May 2025 as Dynamax Pokémon you can challenge alongside three other trainers. Max Raid Bosses sometimes appear multiple times throughout the month, allowing you to capture any Pokémon that debut in these fights more often. During May 2025, Gigantamax Machamp makes its debut, giving you a fearsome Fighting-type for your group to face.
Max Battles function differently from Mega or 5-Star Raid battles. During a Max Battle Raid, you must use Dynamax Pokémon alongside at least three other trainers. Throughout the battle, you and your allies build your Pokémon’s Max Meter, which allows them to attack, defend, or heal others to achieve victory.
Some Max Pokémon are featured throughout a Weekend event as Raid Bosses in addition to the others on the schedule. For example, May 2025 features Dynamax Suicune on a Max Battle Weekend that takes place from May 10 to May 11, 2025. Likewise, Gigantamax Machamp is featured in an exclusive Max Battle Day event on May 25, 2025.
The table below outlines when each Max Raid Boss in Pokémon GO appears between various events this month:
Max Raid Boss Pokémon |
Appearance Dates |
---|---|
Charmander, Pidove, Cryogonal, Wooloo, Falinks |
April 28–May 5 |
Bulbasaur, Machop, Beldum, Grookey |
May 5–May 12 |
Gastly, Chansey, Drilbur, Darumaka, Falinks |
May 12–May 19 |
Squirtle, Krabby, Sableye, Beldum |
May 19–May 26 |
Gastly, Pidove, Rookidee, Falinks |
May 26–June 2 |
Gigantamax Machamp |
May 25, 2025 |
Shadow Raid Bosses In May 2025
Take On Two Different Titans
Unlike the Raid Boss schedule in March 2025, there are two Shadow Pokémon bosses this month – Shadow Regirock and Shadow Regigigas. These Titans are both incredibly strong Legendary Pokémon who might only fall to trainers who truly understand their type weaknesses. However, both Pokémon do not appear at the same time, as each is confined to specific dates.

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The table below goes over each Shadow Pokémon you can encounter in May 2025, when they appear, and what weaknesses they have based on their type(s):
Mega Raid Boss |
Type(s) |
Weaknesses |
Appearance Time(s) |
---|---|---|---|
Shadow Regirock |
Rock |
Fighting, Grass, Ground, Steel, Water |
Every Weekend in May |
Shadow Regigigas |
Normal |
Fighting |
May 17 from 2:00 PM to 5:00 PM |
Shadow Regigigas only shows up on a special Raid Day, while Shadow Regirock appears every weekend throughout the month. This makes one far easier to encounter than the other, but don’t be discouraged from trying to Shiny hunt with both of these targets. Once you have the schedule for Raid Bosses in Pokémon GO for May 2025, you can make plans to fight the right ones when they do appear for battle.

Pokémon GO
- Released
-
July 6, 2016
- ESRB
-
e
- Developer(s)
-
Niantic, The Pokemon Company
- Publisher(s)
-
Niantic
- Engine
-
Unity
- Multiplayer
-
Online Multiplayer
- Cross-Platform Play
-
ios, andriod
- Cross Save
-
yes
- Steam Deck Compatibility
-
n/a
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