Will a metal roof be more prone to getting hit by lightning? Am I safe in a thunderstorm?

No. Although there is a chance that lighting can strike your roof, the cause will not be the metal roof, but the height of the house in relation to trees or other high objects in its vicinity. In any case, having a metal roof actually improves the safety of the house’s inhabitants because the metal disperses the electric charge equally across the entire structure. Furthermore, since a metal roof is fire proof, the potential of a fire caused by an unlikely lightning strike is practically eliminated.