He doesn't mind the heat - it's the cold he can't take.
Tips
grammar
怕 + [stimulus] forms a productive "averse to X" pattern: 怕冷 (can’t take cold), 怕辣 (can’t take spicy food), 怕痛 (pain-averse), 怕黑 (afraid of the dark). 怕 here is weaker than English "afraid", it means "doesn’t handle well."
