Des Moines, IA Weather - Forecast & Monthly Averages

TEMPERATURE	57
HUMIDITY	59
PRESSURE	100540
WIND COND.	10 5.4

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Weather Quick Facts

The highest monthly average temperature in Des Moines for July is 77.4 degrees
The lowest monthly average temperature in Des Moines for January is 23.5 degrees
The most monthly precipitation in Des Moines occurs in June with 6.5 inches
The air quality index in Des Moines is 7% better than the national average
The pollution index in Des Moines is 242% worse 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	14°F	35°F	23°F	0.9"
February	17°F	39°F	26°F	1.2"
March	30°F	54°F	41°F	2.2"
April	41°F	67°F	53°F	4.9"
May	51°F	76°F	63°F	4.9"
June	62°F	86°F	74°F	6.5"
July	66°F	89°F	77°F	4.2"
August	64°F	87°F	75°F	5.1"
September	56°F	81°F	68°F	3.7"
October	43°F	68°F	55°F	3.2"
November	31°F	54°F	42°F	1.8"
December	18°F	38°F	27°F	2.1"

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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	Iowa	National
Air quality index	39	39	42
Pollution index	9,310,160	1,154,535	2,726,193

Des Moines air quality

Measurement	Total
Days measured	365
Days with good air quality	306
Days with moderate air quality	59
Days w/ poor A.Q. for sensitive groups	0
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.010%
Benzene	0.110%
Carbon Tetrachloride	0.080%
Lead	0.030%
Mercury	0.010%

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.
Indianola, IA	15,921	39	22.0%
Spring Hill, IA	48	39	22.0%
Altoona, IA	18,917	39	22.0%
Pleasant Hill, IA	9,959	39	22.0%
Windsor Heights, IA	4,889	39	22.0%
Des Moines, IA	215,408	39	22.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Richmond Hill, ON	215,407	n/a
Tacoma, WA	215,766	18	64.0%
Enterprise, NV	214,591	54	8.0%
Modesto, CA	214,485	49	2.0%
San Bernardino, CA	216,784	89	78.0%
Des Moines, IA	215,408	39	22.0%

Source: The Des Moines, IA 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.