This is a paid asset, but now you can download Fast Frost Rain Steam ( Mobile , URP , VR , AR , LWRP ) Free.
Detail this asset from Unity Store: Original Link
Fast Frost Rain Steam ( Mobile , URP , VR , AR , LWRP ) v1.0
Works with Unity versions higher than 2017.1.0f
LWRP works only with Unity versions higher than 2019.1.0f1
URP works only with Unity versions higher than 2019.3.0f3
Supports Single-pass and Multi-pass VR
Fastest Solution on the market.
* 9 frost effects * 2 rain effects * 3 steam effects
This package consists of the shader for applying the Frost, Steam and Rain effect to the screen. This solutionis currently the fastest in the market. The shader was tested on the low-end mobile device in the loaded scene in order to optimize the performance and fps.
SHADERS
* Frost- The fastest frost steam and rain effect in the Asset Store, completely optimized. Runs at 50-58 FPS on a low-end mobile device(with proper settings).
NOTE!!! All the testing was made on low-end mobile device Meizu M2 Note in the scene containing:
-65 different gameObjects,
-68 different Materials,
-57 different Textures,
-1 Directional Light(realtime),