TODAY APR14
TEMPERATURE51
HUMIDITY84
PRESSURE100880.52
WIND COND.
  • 8248Sun
  • 7042Mon
  • 6540Tue
  • 6742Wed
  • 7144Thu
daynightWeather update from Richland Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Richland for July is 76.9 degrees
  • The lowest monthly average temperature in Richland for December is 32.3 degrees
  • The most monthly precipitation in Richland occurs in December with 1.1 inches
  • The air quality index in Richland is 12% better than the national average
  • The pollution index in Richland is 74% better than the national average

Compare Richland, WA Weather

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      Richland 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°F42°F34°F1.0"
      February29°F51°F38°F0.6"
      March34°F61°F47°F0.8"
      April38°F68°F53°F0.6"
      May45°F79°F62°F0.9"
      June53°F85°F69°F0.8"
      July58°F95°F77°F0.2"
      August56°F93°F74°F0.2"
      September47°F83°F64°F0.3"
      October40°F67°F52°F0.8"
      November32°F52°F41°F0.8"
      December25°F41°F32°F1.1"

      Richland 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.
      IndexRichlandWashingtonNational
      Air quality index373642
      Pollution index697,9424,541,8502,726,193

      Richland air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality303
      Days with moderate air quality62
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Richland air quality information

      PollutantTotal
      Arsenic0.020%
      Benzene0.004%
      Carbon Tetrachloride0.001%
      Lead0.010%
      Mercury0.010%

      Average monthly Richland temperature with heat index

      Richland monthly precipitation with daily maximum

      Richland monthly snow depth with daily maximum

      Richland monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Pasco, WA74,2663726.0%
      Kennewick, WA82,6333726.0%
      West Pasco, WA1,5923726.0%
      West Richland, WA14,8423726.0%
      Benton City, WA3,4223726.0%
      Richland, WA57,3533726.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Bradenton, FL57,3463824.0%
      Hanford, CA57,3395612.0%
      Taunton, MA57,3274412.0%
      Casa Grande, AZ57,3187448.0%
      Midwest City, OK57,392484.0%
      Richland, WA57,3533726.0%
      Source: The Richland, WA 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.