12 Reasons 98.6 is Totally NOT a Normal Body Temperature

A “normal” body temperature can range anywhere from 97.7°F to 99.5°F (36.5°C to 37.5°C). However, with all of these different factors this range can get a little fuzzy. Some people run cooler while others seem to always be burning hot. The best advice we can give is to know what YOUR normal is. The better you know your own body, the better monitor you can be. Stay healthy and be aware of how hot is too hot!



     1. As you get older, your body temperature decreases

“Research from Winthrop University in the U.S. published in 2006 found that older people have lower temperatures and that, even when ill, their bodies may never reach temperatures that would be regarded as fever.” (Source)

     2. Your body temperature changes throughout the day

From morning to night our body temperature fluctuates up to 0.9°F (0.5°C) throughout the day. We are usually cooler in the mornings when we first wake up and warmest in the afternoon/evening based on our energy output.*

     3. When you are more active, your body temperature is warmer

This one is kind of a no brainer. When you exercise your body temperature is higher than when you are relaxed.

     4. People who are physically fit show less variation in body temperature

Your body uses energy when you exercise. Energy creates heat which warms your body. However, your body can adapt to the heat as you continue to get fit.

     5. Calories affect body temperature

Calories = energy. The more energy, the warmer your body temperature will be. The less energy, the cooler your body temperature will be. People on restrictive diets may be cooler than those eating full meals.

     6. Women’s body temperatures are different than men’s body temperature

Women’s body temperatures can be all over the map in the course of one month. Men’s vary as well just not as much. For a better explanation read this article.

     7. Different areas of the body give off different temperatures

There are many ways to take your temperature. You can check your forehead, your armpit, your ear, your rectum, your mouth, even your insides (ingestible thermometers are a thing). Each one of those locations will give you a different reading. *

     8. Sleep deprivation reduces body temperature

Have you ever been the only cold person in a room? Maybe you aren’t getting enough sleep. Short term, losing sleep may cause the body temperature to rise. Long term sleep deprivation can cause body temperatures to significantly decrease. Read more about it here.

     9. Alcohol reduces variability of body temperature

Alcohol helps your body temperature stay the same. However, we’re not recommending it. Find out more here.

     10. Body temperature can change with the seasons

Studies are still unsure, but there may be a correlation between your body temperature and the time of year. You’ll run a lower temperature in the winter and a higher temperature in the summer. Only slightly though. *

      11. Your emotions can change your body temperature

Ever heard the phrase, “I’m so angry my blood is boiling”?  Well it may be more than just a catchphrase after all. Some studies suggest that emotions have an effect on body temperature. Excited persons tend to run higher temperatures than calm, cooler individuals. (Source)

     12. Health issues mess with body temperature

This one comes with a “duh!”. When you’re sick your body goes into overtime trying to fight off bad viruses. This is why you experience a fever.

*Source found here.

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