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Iowa Weather

 
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The average temperature of Iowa is 48.14°F, which is much lower than the national average temperature of $54.45°F.

Topics:Heating Cost IndexCooling Cost IndexHistorical TemperatureHistorical PrecipitationHistorical SnowHistorical HumidityHistorical Wind Speed

Historical Weather

Heating Cost Index, #38

Iowa
319.65
U.S.
212.91

Cooling Cost Index, #20

Iowa
67.14
U.S.
139.42

The Heating Cost Index and the Cooling Cost Index are indicators of the relative heating and cooling cost of an area. They were calculated based on the average temperate and duration of the hot and cold days for the area. Please note, the actual heating cost and cooling cost are also dependent on other factors specific to individual residences such as the size of the house, the insulation condition, and the equipment efficiency, etc.

Average Temperature

Annual Average Temperature, #38
Iowa
48.1 °F
U.S.
54.5 °F

Ranks: Average Max. Temperature: #39, Average Min. Temperature: #35

Precipitation

Average Annual Precipitation, #34
Iowa
34.50 inches
U.S.
38.67 inches


Average Number of Days with 0.1 Inch or More Precipitation in a Year (this gives an indication of the number of days in a year that it is useful to have an umbrella), #34
Iowa
62.73 days
U.S.
66.51 days


Snow

Average Annual Snowfall, #20
Iowa
31.27 inches
U.S.
23.27 inches


Average Number of Days with 1 Inch or More Snow Depth in a Year, #13
Iowa
52.20 days
U.S.
27.17 days


Humidity

Annual Average Humidity, #1
Iowa
82.01%
U.S.
77.52%


Wind Speed

Annual Average Wind Speed, #18
Iowa
18.09 mph
U.S.
16.93 mph


* The temperature, snow fall, and precipitation information on this page were calculated from the historical data of 18,000+ U.S weather stations for the period of time from 1980 to 2010. The humidity and wind speed information were calculated from data from 15,000 worldwide stations for the period of time from 1980 to 2010.


 
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