An apparatus and a method for automatically managing a satellite broadcasting service are disclosed. The apparatus may include a rain attenuation information collection unit to measure weather information and a satellite broadcast signal and to collect and provide satellite broadcast signal quality information corresponding to rain attenuation, a rain attenuation analysis unit to analyze rain attenuation information collected by region and to verify a rain attenuation level, a satellite broadcast transmission signal plan unit to generate a satellite broadcast signal change plan to change a satellite broadcast transmission signal by region based on the verified rain attenuation level, and a satellite broadcast transmission signal controller to transmit a signal change instruction to a satellite ground station for the satellite broadcast transmission signal to be changed based on the generated satellite broadcast signal change plan.