As a new parent, it can be worrying when your baby’s body feels warm.
Understanding the normal temperature range for newborns can help you know when to monitor and when to seek medical advice.
Normal Temperature Range
- Armpit (axillary): 36.5°C–37.5°C (97.7°F–99.5°F)
- Rectal: 36.6°C–38.0°C (97.9°F–100.4°F)
When Is It Considered a Fever?
A fever may be present when:
- Axillary temperature is above 37.5°C (99.5°F)
- Rectal temperature is 38°C (100.4°F) or higher
For infants younger than 3 months, a fever should always be discussed with a healthcare provider.
Why Do Newborn Temperatures Fluctuate?
Newborns have immature temperature regulation and can become warm from:
- Overdressing
- Thick blankets
- Warm room temperatures
When to Seek Medical Care
Contact your healthcare provider if your newborn has:
- A temperature of 38°C (100.4°F) or higher
- Poor feeding
- Unusual sleepiness
- Breathing difficulties
- Persistent irritability
Helpful Baby Care Essential
Many parents keep a digital thermometer nearby during the newborn stage. Non-contact forehead thermometers are especially popular because they allow temperature checks without waking a sleeping baby.
A reliable thermometer is one of the most useful items to have during the newborn stage. Here is a popular option that many parents use to monitor their baby’s temperature at home.
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