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Key findings

  • The highest monthly average temperature in Pasadena for August is 85 degrees
  • The lowest monthly average temperature in Pasadena for January is 55 degrees
  • The most monthly precipitation in Pasadena occurs in August with 8 inches
  • The air quality index in Pasadena is 5% worse than the national average
  • The pollution index in Pasadena is 86% better than the national average

Compare Pasadena, TX Weather

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      Pasadena 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
      January46°F66°F55°F3.8"
      February50°F70°F59°F2.3"
      March57°F75°F65°F4.0"
      April63°F81°F71°F4.9"
      May68°F86°F76°F7.1"
      June75°F92°F83°F3.9"
      July77°F94°F84°F4.0"
      August77°F95°F85°F8.0"
      September73°F90°F81°F4.6"
      October64°F84°F73°F4.0"
      November55°F75°F64°F3.6"
      December49°F67°F57°F4.0"

      Pasadena 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.
      IndexPasadenaTexasNational
      Air quality index525250
      Pollution index701,6524,642,9165,066,862

      Pasadena air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality171
      Days with moderate air quality163
      Days w/ poor A.Q. for sensitive groups26
      Days with unhealthy air quality4

      Pasadena air quality information

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

      Average monthly Pasadena temperature with heat index

      Pasadena monthly precipitation with daily maximum

      Pasadena monthly snow depth with daily maximum

      Pasadena monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Bacliff, TX9,004524%
      Channelview, TX40,534524%
      El Lago, TX2,778524%
      Houston, TX2,240,582524%
      La Porte, TX34,922524%
      Pasadena, TX153,286524%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Macon-Bibb County, GA153,9253824%
      Springfield, MA153,9914020%
      Hayward, CA154,5074314%
      Pomona, CA151,8078978%
      Alexandria, VA151,473476%
      Pasadena, TX153,286524%
      Source: The Pasadena, 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.