I am farily new to firearms but have aquired a small but growing collection. I am about to buy a full size safe for my guns/valuables. The best/easiest place is in my garage, bolted to the poured concrete floor. However, there is not HVAC there so it will be below freezing in the winter and over 100 at times in the peak of summer. I know that humidity is a bigger issue in the inside of a gunsafe and plan on buying a dehumidifier but should I try to find somewhere inside for a more stable temperature? I will be storing documents, digital media backups and the following guns (probably with some boxes of their ammo):
FN Five Seven
FN FNP45 Tactical
Beretta NEOS 22lr pistol
Benelli M2 shotgun
I am also looking at AR's but dont have one.
Thoughts on temperature of the exterior environment of the safe? I have my eye on one of the nicer Liberty safes at a local dealer I know