On Thursday, December 17, 2020 at 12:57:01 AM UTC-5, wrote:
I want to hang some drywall, but its winter here in IL and I want to know how cold is too cold ?
Found some articles on-line and the average answer was "Not less than 50dF", if not, heat the room some how and let it stand above 50 for at least 48 hours.
But this is a garage and no matter how much I heat the garage the studs and out-siding materials will still ambient temp.
The 2nd suggestion was to leave 1/8" gap between the sheets to allow for expansion in summer months.

So my plan was to insulate and drywall now and finish w/Joint-Compound and paint in March or some month that is warmer.

Thanks

Plan sounds OK. But you certainly can heat a garage to 50F at the drywall too. Temp of the
studs and outside material is irrelevant.