Richland, WA Weather - Forecast & Monthly Averages

TEMPERATURE	47
HUMIDITY	71
PRESSURE	100610
WIND COND.	170 13

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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

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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.
Month	Temp. _(min)	Temp. _(max)	Temp. _(avg)	Precipitation
January	27°F	42°F	34°F	1.0"
February	29°F	51°F	38°F	0.6"
March	34°F	61°F	47°F	0.8"
April	38°F	68°F	53°F	0.6"
May	45°F	79°F	62°F	0.9"
June	53°F	85°F	69°F	0.8"
July	58°F	95°F	77°F	0.2"
August	56°F	93°F	74°F	0.2"
September	47°F	83°F	64°F	0.3"
October	40°F	67°F	52°F	0.8"
November	32°F	52°F	41°F	0.8"
December	25°F	41°F	32°F	1.1"

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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.
Index	Richland	Washington	National
Air quality index	37	36	42
Pollution index	697,942	4,541,850	2,726,193

Richland air quality

Measurement	Total
Days measured	365
Days with good air quality	303
Days with moderate air quality	62
Days w/ poor A.Q. for sensitive groups	0
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.020%
Benzene	0.004%
Carbon Tetrachloride	0.001%
Lead	0.010%
Mercury	0.010%

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	Population	Air Quality Index	National Avg.
West Pasco, WA	1,592	37	26.0%
West Richland, WA	14,842	37	26.0%
Benton City, WA	3,422	37	26.0%
Finley, WA	5,858	37	26.0%
Pasco, WA	74,266	37	26.0%
Richland, WA	57,353	37	26.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Bradenton, FL	57,346	38	24.0%
Hanford, CA	57,339	56	12.0%
Taunton, MA	57,327	44	12.0%
Casa Grande, AZ	57,318	74	48.0%
Midwest City, OK	57,392	48	4.0%
Richland, WA	57,353	37	26.0%

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.