According to various embodiments, an electronic device may comprise: a temperature sensor; a wireless communication circuit; and a processor electrically connected to the wireless communication circuit, wherein the processor is configured to: receive a temperature sensed by the temperature sensor; determine a first maximum transmission power as a maximum transmission power of uplink transmission data to be transmitted through the wireless communication circuit, identify a modulation and coding scheme (MCS) index and a number of resource blocks (RBs), when the received temperature is higher than a predetermined value, based on the identified the MCS index and the number of RBs, determine a second maximum transmission power, and change the first maximum transmission power to the second maximum transmission power, wherein the second maximum transmission power is lower than the first maximum transmission power.