Storm Lake, IA Weather - Forecast & Monthly Averages

TEMPERATURE	25
HUMIDITY	100
PRESSURE	102200
WIND COND.	300 16.6

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Weather Quick Facts

The highest monthly average temperature in Storm Lake for July is 74 degrees
The lowest monthly average temperature in Storm Lake for January is 20.5 degrees
The most monthly precipitation in Storm Lake occurs in May with 5.8 inches
The air quality index in Storm Lake is 17% better than the national average
The pollution index in Storm Lake is 72% better than the national average

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Storm Lake 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	13°F	29°F	20°F	0.2"
February	14°F	31°F	22°F	2.0"
March	29°F	47°F	36°F	0.7"
April	39°F	61°F	49°F	3.9"
May	50°F	73°F	61°F	5.8"
June	61°F	82°F	71°F	2.9"
July	64°F	85°F	74°F	2.8"
August	62°F	81°F	70°F	2.6"
September	54°F	76°F	64°F	2.7"
October	42°F	62°F	51°F	1.9"
November	29°F	49°F	37°F	0.9"
December	17°F	32°F	24°F	3.5"

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Storm Lake 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	Storm Lake	Iowa	National
Air quality index	35	39	42
Pollution index	769,697	1,154,535	2,726,193

Storm Lake air quality

Measurement	Total
Days measured	364
Days with good air quality	322
Days with moderate air quality	42
Days w/ poor A.Q. for sensitive groups	0
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.000%
Benzene	0.010%
Carbon Tetrachloride	0.001%
Lead	0.002%
Mercury	0.000%

Average monthly Storm Lake temperature with heat index

Storm Lake monthly precipitation with daily maximum

Storm Lake monthly snow depth with daily maximum

Storm Lake monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Albert City, IA	589	35	30.0%
Alta, IA	1,978	35	30.0%
Early, IA	745	35	30.0%
Marathon, IA	183	35	30.0%
Galva, IA	420	35	30.0%
Storm Lake, IA	10,508	35	30.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
West Vero Corridor, FL	10,507	36	28.0%
Alpine, UT	10,509	46	8.0%
Oregon, WI	10,513	39	22.0%
Wyomissing, PA	10,499	42	16.0%
West Point, MS	10,517	39	22.0%
Storm Lake, IA	10,508	35	30.0%

Source: The Storm Lake, 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.