Cowiche, WA Weather - Forecast & Monthly Averages

TEMPERATURE	40
HUMIDITY	86
PRESSURE	101560
WIND COND.

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Weather Quick Facts

The highest monthly average temperature in Cowiche for July is 75.7 degrees
The lowest monthly average temperature in Cowiche for December is 29 degrees
The most monthly precipitation in Cowiche occurs in December with 1.5 inches
The air quality index in Cowiche is 10% better than the national average
The pollution index in Cowiche is 58% better than the national average

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Cowiche 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	22°F	41°F	31°F	1.1"
February	25°F	50°F	37°F	0.8"
March	30°F	59°F	44°F	0.8"
April	34°F	67°F	51°F	0.5"
May	42°F	77°F	60°F	1.0"
June	48°F	83°F	67°F	0.4"
July	55°F	93°F	76°F	0.1"
August	53°F	92°F	73°F	0.2"
September	44°F	82°F	63°F	0.4"
October	36°F	67°F	50°F	0.8"
November	27°F	52°F	39°F	0.9"
December	20°F	40°F	29°F	1.5"

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Cowiche 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	Cowiche	Washington	National
Air quality index	38	36	42
Pollution index	1,140,980	4,541,850	2,726,193

Cowiche air quality

Measurement	Total
Days measured	365
Days with good air quality	227
Days with moderate air quality	128
Days w/ poor A.Q. for sensitive groups	10
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.000%
Benzene	0.020%
Carbon Tetrachloride	0.001%
Lead	0.000%
Mercury	0.000%

Average monthly Cowiche temperature with heat index

Cowiche monthly precipitation with daily maximum

Cowiche monthly snow depth with daily maximum

Cowiche monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Nile, WA	90	23	54.0%
Selah, WA	7,957	38	24.0%
Tieton, WA	2,053	38	24.0%
Eschbach, WA	307	38	24.0%
Summitview, WA	1,892	38	24.0%
Cowiche, WA	662	38	24.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
McDonald Chapel, AL	662	53	6.0%
Bluford, IL	662	43	14.0%
Millington, IL	662	0	100.0%
Fairland, IN	662	54	8.0%
Elgin, ND	662	33	34.0%
Cowiche, WA	662	38	24.0%

Source: The Cowiche, 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.