TODAY JUN19
TEMPERATURE81
HUMIDITY74
PRESSURE29.99
WIND COND.130 10.3
  • 8972Wed40%40%
  • 9273Thu30%30%
  • 9677Fri20%
  • 9677Sat20%
  • 9575Sun20%
daynightWeather update from McKinney - McKinney National Airport at

McKinney Average Weather

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
January16°F82°F45°F2.2"
February12°F84°F49°F1.4"
March21°F88°F58°F4.2"
April30°F98°F64°F3.8"
May37°F97°F72°F4.5"
June55°F101°F80°F3.0"
July62°F106°F83°F2.4"
August61°F104°F83°F2.3"
September46°F100°F75°F2.0"
October28°F93°F64°F5.0"
November23°F87°F56°F2.1"
December6°F86°F45°F2.0"

Did you know?

  • The highest monthly average temperature in McKinney for August is 83 degrees.
  • The lowest monthly average temperature in McKinney for December is 45 degrees.
  • The most monthly precipitation in McKinney occurs in October with 5 inches.
  • The air quality index in McKinney is 8% worse than the national average.
  • The pollution index in McKinney is 75% worse than the national average.

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Compare McKinney, TX Weather To Other Cities

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 index545250
Pollution index8,884,1904,642,9165,066,862

McKinney air quality information

MeasurementTotal
Days measured365
Days with good air quality156
Days with moderate air quality176
Days w/ poor A.Q. for sensitive groups32
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.
Bristol, TX372548%
Frisco, TX145,646548%
Lowry Crossing, TX1,584548%
New Hope, TX645548%
Prosper, TX15,236548%
McKinney, TX156,821548%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Palmdale, CA156,8237448%
Fort Collins, CO157,251468%
Salinas, CA155,8893628%
Cary, NC155,8224314%
Peoria, AZ158,6777448%
McKinney, TX156,821548%
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.