How long will it stay cold? Depends on how hot it is. 20 minutes on average. By Mohsen|2017-09-26T22:22:42-07:00September 26th, 2017|0 Comments Share This Story, Choose Your Platform! FacebookTwitterLinkedInRedditTumblrPinterest About the Author: Mohsen Leave A Comment Cancel replyComment Save my name, email, and website in this browser for the next time I comment. Notify me of new posts by email.