TODAY NOV21
TEMPERATURE54
HUMIDITY41
PRESSURE99900
WIND COND.280 22.3
  • 4435Fri30%60%
  • 5539Sat
  • 5536Sun
  • 6246Mon
  • 6136Tue
daynightWeather update from Dover Air Force Base at
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Weather Quick Facts

  • The highest monthly average temperature in Houston for July is 77.5 degrees
  • The lowest monthly average temperature in Houston for January is 33.6 degrees
  • The most monthly precipitation in Houston occurs in July with 6.8 inches
  • The air quality index in Houston is equal to the national average
  • The pollution index in Houston is 50% better than the national average

Compare Houston, DE Weather

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      Houston 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
      January27°F41°F34°F3.2"
      February28°F45°F36°F1.5"
      March36°F53°F44°F4.2"
      April46°F65°F55°F4.4"
      May56°F73°F64°F1.8"
      June65°F82°F73°F4.5"
      July70°F86°F77°F6.8"
      August67°F83°F74°F1.2"
      September62°F78°F69°F4.8"
      October51°F68°F58°F1.2"
      November39°F56°F47°F1.1"
      December32°F47°F39°F0.4"

      Houston 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.
      IndexHoustonDelawareNational
      Air quality index424142
      Pollution index1,358,3707,274,3072,726,193

      Houston air quality

      MeasurementTotal
      Days measured365
      Days with good air quality293
      Days with moderate air quality72
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.000%
      Benzene0.020%
      Carbon Tetrachloride0.002%
      Lead0.000%
      Mercury0.000%

      Average monthly Houston temperature with heat index

      Houston monthly precipitation with daily maximum

      Houston monthly snow depth with daily maximum

      Houston monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Greenwood, DE1,1273628.0%
      Ellendale, DE7513628.0%
      Bridgeville, DE3,5083628.0%
      Farmington, DE1843628.0%
      Milton, DE2,9933628.0%
      Houston, DE4494216.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Seville, CA4496632.0%
      Victor, CO4491668.0%
      Humeston, IA4493922.0%
      Waveland, IN4494510.0%
      Galien, MI4493922.0%
      Houston, DE4494216.0%
      Source: The Houston, DE 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.