Kyurem's best moveset in Pokémon GO is Dragon Breath and Glaciate, with 18.21 damage per second, and it can deal 607.8 damage before Kyurem faints. This is true when battling in neutral weather. You need an Elite Charge TM to get Glaciate.
All Kyurem movesets ranked
Here is a complete list of Kyurem movesets in Pokémon GO, ranked by their DPS and TDO. You can change the weather and the opposing Pokémon.
|1.||Dragon Breath||Glaciate *||18.21||607.8||43.8|
|2.||Steel Wing||Glaciate *||16.86||562.9||40.5|
|3.||Dragon Breath||Draco Meteor||16.22||541.6||39.0|
|5.||Dragon Breath||Dragon Claw||15.58||520.0||37.4|
|6.||Steel Wing||Draco Meteor||15.07||503.0||36.2|
|7.||Steel Wing||Dragon Claw||14.68||490.1||35.3|