Des Moines, WA Weather - Forecast & Monthly Averages

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TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.

Weather Quick Facts

The highest monthly average temperature in Des Moines for August is 66.5 degrees
The lowest monthly average temperature in Des Moines for December is 40.6 degrees
The most monthly precipitation in Des Moines occurs in November with 7.1 inches
The air quality index in Des Moines is 7% worse than the national average
The pollution index in Des Moines is 60% better than the national average

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Des Moines 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	35°F	48°F	42°F	5.6"
February	37°F	51°F	43°F	3.7"
March	39°F	55°F	46°F	5.1"
April	42°F	60°F	50°F	3.2"
May	47°F	68°F	56°F	2.2"
June	52°F	72°F	61°F	1.5"
July	56°F	80°F	66°F	0.6"
August	56°F	80°F	66°F	1.1"
September	53°F	73°F	61°F	1.9"
October	46°F	62°F	53°F	4.5"
November	40°F	53°F	46°F	7.1"
December	35°F	47°F	41°F	6.1"

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Des Moines 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	Des Moines	Washington	National
Air quality index	45	36	42
Pollution index	1,081,430	4,541,850	2,726,193

Des Moines air quality

Measurement	Total
Days measured	365
Days with good air quality	236
Days with moderate air quality	127
Days w/ poor A.Q. for sensitive groups	2
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.000%
Benzene	0.010%
Carbon Tetrachloride	0.000%
Lead	0.000%
Mercury	0.000%

Average monthly Des Moines temperature with heat index

Des Moines monthly precipitation with daily maximum

Des Moines monthly snow depth with daily maximum

Des Moines monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Browns Point, WA	961	18	64.0%
Gig Harbor, WA	10,280	18	64.0%
Enetai, WA	1,993	18	64.0%
Canterwood, WA	3,070	18	64.0%
Maplewood, WA	5,135	18	64.0%
Des Moines, WA	31,983	45	10.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Kaysville, UT	31,957	45	10.0%
Ferry Pass, FL	32,016	41	18.0%
Los Gatos, CA	31,943	43	14.0%
Bangor, ME	32,029	31	38.0%
Dover, NH	31,922	37	26.0%
Des Moines, WA	31,983	45	10.0%

Source: The Des Moines, 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.