Is 231 temperature sensitive?

It sure feels like it. Site search on 231 had nothing…but I’m sure its been discussed 

Thanks

This thread has a link to someone who tested 231 at various temps, from 2019 on another forum-

W231 and temperature changes (bullseyeforum.net)


Some other threads here that may help-
231 temperature sensitive? site:bullseyeforum.net - Yahoo Search Results

In my experience yes.  

First outdoor match of the season was in the mid to upper 30s and I had all kinds of issues.  Didn't have any problems all winter shooting that same load at an indoor temperature controlled range.  I learned a valuable lesson that day.

I have learned to keep my loaded mags in my pockets in between strings. Even the 22's are susceptible to low temps.

It is a little bit. Under 5.0 Grains I think it is just enough to cause problems and it is filthy dirty at light loads too.