A core body temperature measurement device includes a plurality of electronic temperature sensors (12, 12f, 12b, 132) operatively coupled with or near a surface (STA, PAA, BTT) having a surface temperature approximating the core body temperature, and a readout controller (10, 48, 68, 90, 124) including a maximum temperature reading selector (14). The readout controller is configured to acquire temperature readings using the plurality of temperature sensors and to output a core body temperature based on a highest usable temperature reading of the acquired temperature readings as determined by the maximum temperature reading selector. A core body temperature measurement method includes: acquiring a plurality of temperature readings at and near a surface (STA, PAA, BTT) having a surface temperature approximating the core body temperature generating a highest usable temperature reading from the acquired temperature readings and outputting a core body temperature based on the highest usable temperature.
