I think it depends on how long is it sitting without heating/cooling and is it in the sun or not. For mine, sometimes it’s hotter than the cold air outside, for instance when it is in the sun. Sometimes cooler on a hot day, sometimes the same if it’s been sitting a long time.
'10 Ford F-450, 6.4, 4.30, 4x4, 14,500 GVWR, '06 Host Rainer 950 DS, Torklift Talon tiedowns, Glow Steps, and Fastguns. Bilstein 4600s, Firestone Bags, Toyo M655 Gs, Curt front hitch, Energy Suspension bump stops.
NRA Life Member, CCA Life Member