What does a warm hand mean in dream?

Very generally, dreaming of someone's warm hand probably represents feelings of acceptance, comfort and love. Further interpretation would require information about where the hand is, and whether it is reaching out to you, grasping or shoving or welcoming you. Alternatively, if the question refers to your OWN hand, then the dream merely reflects a physical sensation you are sensing in your sleep; your hand may be tucked beneath you or placed in some other position that causes it to feel warm.