What month has the most rain in Iowa?
Average monthly snow and rainfall in Des Moines (Iowa) in millimeter
- Most rainfall (rainy season) is seen in June and August.
- On average, June is the wettest month.
- On average, January is the driest month.
- The average amount of annual precipitation is: 796.0 mm (31.34 in)
Does it rain a lot in Iowa?
The annual average rainfall ranges from less than 26 inches (660 mm) in the northwest to more than 38 inches (965 mm) in the southeast. Iowa has experienced severe flooding as a result of rapid snow melt and heavy summer rainstorms. A barge transporting cars to dry roads during severe flooding in Iowa in 1993.
What is the highest rainfall in Iowa?
The heaviest official one-day rainfall of record is 13.18 inches at Atlantic on June 14, 1998. However, unofficial daily rain totals reached 21.7 inches at Boyden in northwest Iowa on September 18, 1926!
What are the average monthly temperatures in Iowa?
Average Temperatures for Des Moines
Month Low High Jan 11.7°F 29.1°F Feb 17.8°F 35.4°F Mar 28.7°F 48.2°F Apr 39.9°F 61.3°F What month does it stop snowing in Iowa?
Iowa City experiences some seasonal variation in monthly liquid-equivalent snowfall. The snowy period of the year lasts for 4.3 months, from November 15 to March 23, with a sliding 31-day liquid-equivalent snowfall of at least 0.1 inches.
What is the average snowfall in Iowa?
Iowa, on average, gets 32.4 inches of snow during the winter, according to state climatologist Harry Hillaker. The statewide average total as of Friday was 29.4 inches.
How does El Nino affect Iowa?
Iowa generally sees above normal precipitation in the west with near normal precipitation elsewhere when all El Nino espisodes are considered. The second image below is for relatively strong El Nino cases (ONI > 1.4). Iowa certainly trends wetter during the strong episodes with the highest departure across the south.
Which is the driest month of the year in Iowa?
Iowa’s average annual rainfall of 35.2 inches indicates that it is drier than most states in the United States. May is the rainiest month in Iowa with 11.6 days of rain, and February is the driest month with only 5.7 rainy days. Iowa’s annual average of 98.9 days with measurable rain is less rainy than most states in the United States.
How often does it rain in Des Moines Iowa?
The annual rainfall of 35.9 inches in Des Moines means that it is about average compared to other places in Iowa. May is the rainiest month in Des Moines with 12.3 days of rain, and January is the driest month with only 6.8 rainy days. There are 107.6 rainy days annually in Des Moines, which is rainier than most places in Iowa.
What’s the average temperature and precipitation in Iowa?
The climate in Iowa is warm and temperate. Iowa is a city with a significant rainfall. Even in the driest month there is a lot of rain. This location is classified as Cfa by Köppen and Geiger. The average annual temperature in Iowa is 19.7 °C. About 1459 mm of precipitation falls annually. The driest month is October, with 92 mm of rain.
What’s the coldest month of the year in Iowa?
The most pleasant months of the year for Iowa are June, September and August. January has the coldest nighttime temperatures for Iowa with an average of 10.2°. This is colder than most of the U.S. states. Iowa has 13.6 days annually when the high temperature is over 90°, which is cooler than most states in the U.S.