Mangalia is characterized by a moderate maritime climate (annual average temperature - one of the highest in Romania) with hot summers (July average over ) and mild winters (January average ), Mangalia being the country's second place, after Băile Herculane, with positive average temperatures in wintertime. Spring comes early but is cool and autumn is long and warm. In summer, cloudiness is reduced (about 25 sunny days in a month) and the duration of sunshine is of 10–12 hours a day. Annual precipitation is low (about ).