June is the most wet month. You can jump to a separate table for each region of the state: Eastern, Central and Western Iowa. 91 ° 68 ° 3. May 2015 ranks as the 69 th warmest May out of … 9:18 pm CDT .

Weather History for Places in Iowa . The average hourly wind speed in Iowa City experiences significant seasonal variation over the course of the year. The average annual temperature in Iowa ranges from 45 degrees Fahrenheit (° F) in the extreme north to 52 in the southeastern corner of the State. Hot dry winds, originating in the desert southwest, occasionally reach into Iowa during the summer, producing unusually high temperatures and desiccating crops. 86 ° 70 ° 4. N/A: How Much Sunshine each year is there in Iowa (in hours)? In the Dumont d'Urville station, for example, there are on average 11.6 days per month when the wind exceeds 100 kph (60 mph), with a minimum in January (of 7 days) and a maximum in August and September (of 14 days). Averages are for Sioux City Sioux Gateway Airport, which is 6 miles from Sioux City. air masses.

The coldest month is January with an average maximum temperature of -2°C (12°F). This month should be avoided if you are not a big fan of rain. The statewide (Iowa) average temperature for May 2015 was 60° which was only 0.1° below normal (See Figure 1). May’s statewide average maximum temperature was 67.4 degrees, 4.0 degrees below normal, while the average minimum temperature was 48.0 degrees, 0.8 degrees below normal. Negative temperature departures were reported across the state with locations in eastern Iowa observing up to four degrees below normal. Average temperatures for December at cities, towns and lakes throughout Iowa are listed below in degrees Fahrenheit and Celsius. June is the most wet month. The coldest month is January with an average maximum temperature of -2°C (12°F). The windier part of the year lasts for 7.7 months , from October 3 to May 24 , with average wind speeds of more than 10.1 miles per hour . The warmest month is July with an average maximum temperature of 30°C (86°F). 88 ° 67 ° 5. Temperatures. Negative temperature departures were reported across the state with locations in eastern Iowa observing up to four degrees below normal. Temperature. 49.4 °F: How Many Inches of Rain per year does Iowa get ?

sun mon tue wed thu fri sat. 75 ° 51 ° 1. 23 inches: N/A = This data was not available for this city.

N/A: How much, if any, snow falls each year in Iowa?

DES MOINES, IOWA. The coldest season / winter is in the months of January, February and December. Showing: All Year January February March April May June July August September October November December During January the overnight temperature drops to an average of 12.7°F with the lowest temperature of -25.1°F being recorded on February 3 1996.

In July, the hottest month, daily temperatures range from morning lows of around 61 and afternoon highs of 82° F in the northeast corner of the State up to lows of 65 and highs of 87 in the southwest. 36.41 inches: How Many Rainy Days a year are there in Iowa? - Highest annual temperature: 65.7° F (1921; 4% above 100-year average) - Lowest annual temperature: 60.7° F (1976; 3.9% below 100-year average) - Hottest summer: 2010 (Three-month average temperature: 82.2° F; 0.4% above 100-year average) - Coldest winter: 1978 (Three-month average temperature: 39.7° F; -15.1% below 100-year average) Monthly - Summary; Nearby; Forecast; Monthly - All Data; Climate Summary; Daily Averages; Hourly Data : CURRENT CONDITIONS.

85 ° 68 ° 7. Iowa City, IA Monthly Weather. TEMPERATURE – The average annual temperature ranges from 45°F in the extreme north to 52°F in the southeastern corner of the state.

The hottest day on record was August 17 1983 when the temperature hit 108.0°F.

A roller coaster ride of temperatures affected the first half of the month before temperatures began to level out some after the 20 th (See Figures 2 and 3). Davenport Climate graph // Weather by Month The driest month is February, with 28 mm | 1.1 inch of rainfall. A colder May occurred just last year while a drier May last occurred in 2014. What's the Average Temperature in Iowa?

The statewide average temperature for Iowa was 61.0°F during the month of May 2014 which was normal (See Figure 1). The warmest month in Des Moines International, Des Moines, Iowa is July with an average high temperature of 87.9°F. Based on weather reports collected during 1985–2015.

The tables give the normals for maximum and minimum temperatures based on weather data collected from 1981 to 2010 by the US National Climatic Data Center.

See Historical Weather Data for a Location and Date. WEATHER. 31. Home > North America > United States > Iowa Elevation: 938 feet Latitude: 41 32N Longitude: 093 39W . This month ranks as the 66 th warmest May on record among 142 years of records. 88 ° 67 ° 6. 82 ° 63 ° 2. Temperatures. Iowa experienced cooler than normal conditions statewide. This month should be avoided if you are not a big fan of rain.