Relative Humidity in Dallas, TX
The average annual humidity is 64%.
Local Climate Profile
Dallas is less humid than coastal Texas cities like Houston, but it still experiences muggy spells in the spring and early summer before the dry heat sets in.
In Dallas, TX, the relative humidity fluctuates throughout the day. It is generally highest in the early morning, averaging 80% when the air is cool. As the sun heats the air throughout the day, the relative humidity naturally drops, reaching an average of 49% by the late afternoon.
Managing Indoor Comfort in Dallas, TX
Because outdoor weather directly impacts your indoor environment, residents of Dallas, TX must actively manage their home's humidity to stay within the ideal 30% to 60% range.
Since the local average is quite high, you should rely on your air conditioning and potentially a standalone dehumidifier to prevent mold growth and musty odors in your home.
Use the Calculator
If you have a hygrometer in your home, plug your current indoor temperature and humidity into the calculator above. It will instantly tell you the Dew Point and give you a comfort score!