TODAY OCT19
TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.
daynightWeather update from at

Weather Quick Facts

  • The highest monthly average temperature in McKinney for August is 86.1 degrees
  • The lowest monthly average temperature in McKinney for January is 51.6 degrees
  • The most monthly precipitation in McKinney occurs in May with 5.9 inches
  • The air quality index in McKinney is 5% worse than the national average
  • The pollution index in McKinney is 74% better than the national average

Compare Austin, TX Weather

City Image
    City Default Image
      vs
      Compare Neighborhoods & Addresses Local Insights Report

      Why stop at city-to-city? With Local Insights, you can compare neighborhoods, zip codes, or even exact addresses. Access 300+ hyperlocal data points—from schools and crime to housing and amenities—to see which area is the better fit.

      Local Insights Report
      How would you rate the weather in McKinney?
      Write a review to give others more information about this area.
      How would you rate the air quality in McKinney?
      Write a review to give others more information about this area.
      See all McKinney poll results

      McKinney Average Temperature

      In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
      MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
      January42°F65°F52°F3.0"
      February46°F69°F56°F1.5"
      March53°F76°F63°F4.0"
      April60°F82°F70°F2.9"
      May66°F88°F76°F5.9"
      June73°F95°F83°F3.4"
      July75°F97°F85°F3.0"
      August76°F99°F86°F2.2"
      September71°F93°F80°F4.5"
      October61°F84°F71°F3.9"
      November52°F74°F62°F2.4"
      December44°F65°F53°F2.5"

      McKinney air quality index & pollution index

      In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
      IndexMcKinneyAustinTexas
      Air quality index444452
      Pollution index713,830713,8302,009,300

      McKinney air quality

      MeasurementTotal
      Days measured365
      Days with good air quality249
      Days with moderate air quality114
      Days w/ poor A.Q. for sensitive groups2
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.002%
      Benzene0.010%
      Carbon Tetrachloride0.001%
      Lead0.002%
      Mercury0.002%

      Average monthly McKinney temperature with heat index

      McKinney monthly precipitation with daily maximum

      McKinney monthly snow depth with daily maximum

      McKinney monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Creedmoor, TX4264412.0%
      Lost Creek, TX1,1234412.0%
      Shady Hollow, TX3,8334412.0%
      Hudson Bend, TX2,4384412.0%
      Kyle, TX45,8284412.0%
      Austin, TX965,8724412.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Jacksonville, FL902,4884314.0%
      San Jose, CA1,029,4094314.0%
      Fort Worth, TX892,221512.0%
      Columbus, OH889,079468.0%
      Edmonton, AB1,053,392n/a 
      Austin, TX965,8724412.0%
      Source: The McKinney, Austin, TX weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Air quality and pollution levels measured in a particular area may not be representative of the entire county.