TODAY MAR31
TEMPERATURE74
HUMIDITY91
PRESSURE29.86
WIND COND.240 9.2
  • 8254Tue
  • 7759Wed
  • 8067Thu30%
  • 8365Fri20%50%
  • 7967Sat60%40%
daynightWeather update from Houston, Sugar Land Municipal / Hull Field Airport at
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Katy 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
January44°F65°F53°F3.7"
February48°F69°F57°F2.3"
March54°F75°F64°F3.5"
April61°F81°F70°F4.7"
May68°F87°F76°F6.5"
June73°F93°F82°F3.8"
July75°F94°F83°F5.2"
August75°F95°F84°F6.9"
September71°F90°F79°F3.5"
October61°F84°F71°F4.6"
November53°F75°F63°F2.5"
December47°F67°F56°F3.1"

Did you know?

  • The highest monthly average temperature in Katy for August is 84 degrees.
  • The lowest monthly average temperature in Katy for January is 53 degrees.
  • The most monthly precipitation in Katy occurs in August with 6.9 inches.
  • The air quality index in Katy is 5% worse than the national average.
  • The pollution index in Katy is 75% better than the national average.

Compare Katy, TX Weather To Other Cities

      vs

      Katy 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.
      IndexKatyTexasNational
      Air quality index525250
      Pollution index1,253,7104,642,9165,066,862

      Katy air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality171
      Days with moderate air quality175
      Days w/ poor A.Q. for sensitive groups18
      Days with unhealthy air quality1

      Katy air quality information

      PollutantTotal
      Arsenic0.003%
      Benzene0.040%
      Carbon Tetrachloride0.001%
      Lead0.010%
      Mercury0.000%

      Average monthly Katy temperature with heat index

      Katy monthly precipitation with daily maximum

      Katy monthly snow depth with daily maximum

      Katy monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Brazos Country, TX639524%
      Four Corners, TX13,385524%
      New Territory, TX15,843524%
      Richmond, TX11,939524%
      Weston Lakes, TX3,069524%
      Katy, TX16,632524%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Easton, MD16,6373726%
      Terrell, TX16,626548%
      Phoenixville, PA16,6385714%
      Danville, KY16,6453334%
      Springfield, TN16,6504510%
      Katy, TX16,632524%
      Source: The Katy, 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.