TODAY MAY14
TEMPERATURE66
HUMIDITY56
PRESSURE30.23
WIND COND.120 7.6
  • 7662Fri
  • 8266Sat20%
  • 7667Sun70%60%
  • 8167Mon50%60%
  • 8066Tue40%70%
daynightWeather update from McKinney - McKinney National Airport at

Key findings

  • The highest monthly average temperature in McKinney for August is 84.3 degrees
  • The lowest monthly average temperature in McKinney for January is 44.3 degrees
  • The most monthly precipitation in McKinney occurs in May with 4.7 inches
  • The air quality index in McKinney is 3% worse than the national average
  • The pollution index in McKinney is 75% worse than the national average

Compare McKinney, TX Weather

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      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
      January33°F58°F44°F2.9"
      February38°F61°F48°F1.9"
      March47°F70°F57°F3.9"
      April54°F77°F65°F4.2"
      May62°F83°F72°F4.7"
      June71°F92°F81°F3.4"
      July73°F96°F84°F2.7"
      August74°F96°F84°F2.1"
      September66°F90°F77°F2.9"
      October54°F80°F66°F4.6"
      November45°F68°F56°F3.5"
      December36°F58°F46°F3.1"

      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.
      IndexMcKinneyTexasNational
      Air quality index515250
      Pollution index8,884,1904,642,9165,066,862

      McKinney air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality181
      Days with moderate air quality155
      Days w/ poor A.Q. for sensitive groups28
      Days with unhealthy air quality1

      McKinney air quality information

      PollutantTotal
      Arsenic0.030%
      Benzene0.070%
      Carbon Tetrachloride0.040%
      Lead0.260%
      Mercury0.020%

      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

      City, StatePopulationAir Quality IndexNational Avg.
      Celina, TX7,236512%
      Murphy, TX20,015512%
      Allen, TX94,710512%
      Hackberry, TX2,022512%
      New Hope, TX645512%
      McKinney, TX156,821512%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Palmdale, CA156,8237244%
      Fort Collins, CO157,251484%
      Salinas, CA155,8893726%
      Cary, NC155,822468%
      Peoria, AZ158,6777448%
      McKinney, TX156,821512%
      Source: The McKinney, 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.