Q: Normal body temperature range ?? A: Normal body temperature varies by person, time of day, and measurement site. - Average oral temperature: about 37°C 98.6°F - Typical oral range: roughly 36.1-37.2°C 97-99°F - Rectal or ear readings: usually 0.3-0.6°C 0.5-1°F higher than oral - Armpit readings: usually 0.3-0.6°C 0.5-1°F lower than oral A temperature of 38°C 100.4°F or higher rectally is generally considered a fever. MedlinePlus temperature guidancehttps://medlineplus.gov/ency/article/003400.htm