Signs your home humidity level is too high or low In addition to keeping an eye on the humidity level displayed on your thermostat, there are other signs that it could be getting too high or low.

Therefore, a 70-degree day with 50% relative humidity would feel more humid than a 40-degree day with 100% relative humidity. This is the result of higher dew points, says the Weather Service.

The more you exercise in both heat and humidity, the more your body will adapt and improve its ability to cool itself, Dr. Smith said. (The same is true, only reversed, for cold weather.) ...

However, the relative humidity in this case would only be 52%, giving no indication of the true feel of the air. Dew point and frost or snow The dew point is also a useful measure in other seasons.