TODAY AUG21
TEMPERATURE90
HUMIDITY23
PRESSURE29.9
WIND COND.350 17.3
  • 9059Tue
  • 9459Wed
  • 9159Thu
  • 8455Fri
  • 8358Sat
daynightWeather update from Richland Airport at

Richland 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
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"

Did you know?

  • The highest monthly average temperature in Richland for July is 77 degrees.
  • The lowest monthly average temperature in Richland for December is 32 degrees.
  • The most monthly precipitation in Richland occurs in December with 1.1 inches.
  • The air quality index in Richland is 49% better than the national average.
  • The pollution index in Richland is 86% better than the national average.

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Compare Richland, WA Weather To Other Cities

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 index253650
Pollution index697,9428,596,9895,066,862

Richland air quality information

MeasurementTotal
Days measured365
Days with good air quality304
Days with moderate air quality58
Days w/ poor A.Q. for sensitive groups2
Days with unhealthy air quality

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

City, StatePopulationAir Quality IndexNational Avg.
Benton City, WA3,1932550%
West Pasco, WA2,3982550%
Finley, WA5,8722550%
West Richland, WA13,4072550%
Kennewick, WA77,9752550%
Richland, WA53,2272550%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Pensacola, FL53,2504020%
Cathedral City, CA53,2688570%
Revere, MA53,165476%
Hoboken, NJ53,136536%
Lake Havasu City, AZ53,0581864%
Richland, WA53,2272550%
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.