The council at its first meeting following each regular city election shall elect one (1) of its members as mayor and one (1) mayor pro tem by an affirmative vote of a majority of its members, and whom shall serve for one (1) year or until their successors are elected. The mayor shall preside at all meetings of the council, shall speak and vote at such meetings as any other council member, shall be recognized as head of the city government for all ceremonial purposes and for purposes of military law, but shall have no administrative duties. The mayor pro tem shall act as mayor during the absence or disability of the mayor.