How to reproduce
Generate a world and find a deep frozen ocean biome
Use one of the following commands:
/weather rainor/weather thunder
Try using this seed for confirmation: -3612961942359698429
I think that this bug and MC-125997 are caused by the incorrect temperature value of deep frozen oceans.
Linked issues
is duplicated by 7
MC-133560
Rain instead of snow in deep frozen oceans
Resolved
MC-134520
It rains in the "frozen ocean" biome
Resolved
MC-135515
deep_ocean_frozen will not snow
Resolved
MC-159077
Deep frozen ocean snowfall only happen on Y=92
Resolved
MC-189917
Raining on Structure within Deep Frozen Ocean with snow block - Part 2
Resolved
2 more links
It will both rain and snow in frozen and deep frozen oceans. The temperature is different in different positions.